Word Problems

Problem 9601

What is the correct name for the compound $\mathrm{NaC}_{2} \mathrm{H}_{3} \mathrm{O}_{2} \cdot 3 \mathrm{H}_{2} \mathrm{O}$ ?

See Solution

Problem 9602

A car goes 64 mph. How far does it travel in 3 hours and 15 minutes? Calculate using $d = rt$ .

See Solution

Problem 9603

Identify the experiment, trial, and outcome in a flu vaccination study with patients. Select all that apply.

See Solution

Problem 9604

A school play sold 500 tickets for \$1480. Student tickets are \$2, adult tickets are \$5. How many of each type?

See Solution

Problem 9605

A copy machine makes 154 copies in 3.5 minutes. How many copies does it make per minute? $\frac{154}{3.5}$ copies per minute.

See Solution

Problem 9606

A car goes 68 mph. How long to travel 238 miles? hours $\square$ minutes

See Solution

Problem 9607

A light bulb uses 3600 watt-hours daily. Find its consumption in 3 days and 18 hours.

See Solution

Problem 9608

Xavier buys 18 bottles of orange juice for a total of \ $14.04. What is the cost per bottle? Calculate:$ \frac{14.04}{18}$.

See Solution

Problem 9609

Tomás calculates $-2.6 + (-5.4)$ . What is the result?

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Problem 9610

For $f(x)=8x+3$ and $g(x)=x^{2}$ , find the composite functions: (a) $f \circ g$ , (b) $g \circ f$ , (c) $f \circ f$ , (d) $g \circ g$ and their domains.

See Solution

Problem 9611

A store buys 17 sweaters for \$204 and sells them for \$646. Find the profit per sweater.

See Solution

Problem 9612

Find the correct formula for rubidium phosphate.

See Solution

Problem 9613

Nicole practiced the piano 2030 minutes in 5 weeks. Find her daily practice rate in minutes per day.

See Solution

Problem 9614

Write numbers in specified place values: 1 in hundreds, 8 in tens, 4 in ones, etc. Explain value of 0 in ten thousands.

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Problem 9615

42 is 6 times more than 7.

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Problem 9616

What is the correct name for the compound $N_{2}O_{4}$ ?

See Solution

Problem 9617

Ava practiced piano for 588 minutes over 14 days. What is her daily practice rate in minutes?

See Solution

Problem 9618

Round 38,469 to the nearest thousand. How many seats does the stadium have?

See Solution

Problem 9619

What events does rolling a 3 belong to? Choose all that apply: $E$ OR $L$ , $E^{\prime} \mathrm{AND} L$ , $E$ AND $L$ , $E^{\prime}$ OR $L^{\prime}$ , $L^{\prime}$ .

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Problem 9620

What is the probability of rolling a 1, 2, or 3 on the first die and a 5 on the second die? Express as a fraction.

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Problem 9621

What is the correct name for the compound PCl₃?

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Problem 9622

Which events include drawing the Blue 1 card? Choose all that apply: $R$ AND $E$ , $R$ AND $O$ , $B$ AND $O$ , $R^{\prime}$ .

See Solution

Problem 9623

Calculate moles of $\mathrm{CH}_{3} \mathrm{OH}$ in $150.0 \mathrm{~mL}$ of $0.210 \mathrm{M} \mathrm{CH}_{3} \mathrm{OH}$ .

See Solution

Problem 9624

A rectangle's length is $5 \mathrm{ft}$ more than twice the width, with an area of $42 \mathrm{ft}^{2}$ . Find its dimensions.

See Solution

Problem 9625

Find the probability that a patient has the flu and is a woman, given $P(A)=0.09$ and $P(B)=0.65$ .

See Solution

Problem 9626

Find the probability of a student taking yoga or pilates given: P(yoga) = 0.70, P(pilates) = 0.60, P(yoga and pilates) = 0.51.

See Solution

Problem 9627

What is the probability that Sam chooses either the day shift or the night shift if P(day) = 0.9 and P(night) = 0.03?

See Solution

Problem 9628

Find the probability of a student living off campus given that P(cafeteria and off campus) = 0.07 and P(cafeteria | off campus) = 0.20.

See Solution

Problem 9629

Find the secant line between $x=-3$ and $x=-1$ for $y=f(x)=x^{2}+x$ and the tangent line at $x=-3$ .

See Solution

Problem 9630

Find the probability that a student is a business major given that the probability of being in a statistics course is 0.29 and 0.67. Round to three decimal places.

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Problem 9631

A publishing company has $C=25N+700$ for costs. Find the domain and range values for $N$ (0 to 300) and $C$ .

See Solution

Problem 9632

A gardener creates a circular flower bed with a 12 ft diameter. Find its circumference and area.

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Problem 9633

A police officer gives a warning with probability 0.03 and a ticket or warning with probability 0.52. Find the ticket probability.

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Problem 9634

Find integers for the description: fewer than 9 people.

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Problem 9635

Find the probability of either event $A$ or event $B$ occurring, given $P(A)=0.22$ and $P(B)=0.42$ .

See Solution

Problem 9636

Let $x$ be the weight bench-pressed by other competitors. Write the inequality: $x \leq 400 - 23$ .

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Problem 9637

Find the slope of the tangent line for $f(x)=\frac{5}{x}$ at $x=4$ . The slope is $-\frac{5}{16}$ . What is the tangent line equation?

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Problem 9638

How far does sound travel in $3 \times 10^{10}$ seconds at $3.4 \times 10^{2}$ m/s? Show the calculator's answer.

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Problem 9639

Find the weight of an airplane with 70 gallons of fuel, given it weighs 2012 lbs at 20 gallons and 2208 lbs at 55 gallons.

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Problem 9640

Find the probability that a child requests a toy and watches cartoons, given $P(A) = 0.56$ and $P(B|A) = 0.89$ . Answer as a percent.

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Problem 9641

Chau drives to Dallas. After 43 min, he has 47 miles left; after 65 min, 30.5 miles. How far after 71 min?

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Problem 9642

Rewrite the cost of the software product as an inequality: $235 < x < 370$ .

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Problem 9643

Find the monthly cost for 75 minutes of calls if 55 mins costs \$13.63 and 91 mins costs \$17.95.

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Problem 9644

How many years does light take to travel $3.65 \times 10^{8}$ miles if a light year is $5.87 \times 10^{12}$ miles?

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Problem 9645

If $A$ and $B$ are independent with $P(A)=0.60$ and $P(A \text{ AND } B)=0.30$ , find $P(B)$ as a percent.

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Problem 9646

What is the probability of rolling greater than 1 on a die and getting heads on a coin? Answer as a fraction.

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Problem 9647

A weight-lifting winner bench-pressed 400 lbs; others pressed at least 23 lbs less.
a. Write the inequality for others' weights: $x \leq 377$ . b. Can someone bench-press 379 lbs? No, 379 lbs is not a solution.

See Solution

Problem 9648

Find the height from which a marble falls in 3 seconds using the formula $s=16 t^{2}$ . What is the height $s$ ?

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Problem 9649

A forest area of $2700 \mathrm{~km}^{2}$ decreases by $3.75\%$ yearly. Find the area after 13 years, rounded to the nearest km.

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Problem 9650

Find the sums or differences for these fractions and mixed numbers: 1. $\frac{1}{5}+\frac{2}{5}$ , 2. $\frac{8}{9}-\frac{4}{9}$ , 5. $\frac{3}{8}+\frac{1}{6}$ , 6. $\frac{1}{12}+\frac{2}{3}$ , 9. $5 \frac{1}{2}+2 \frac{1}{4}$ , 10. $9 \frac{3}{10}+4 \frac{1}{2}$ , 3. $\frac{5}{10}-\frac{3}{10}$ , 4. $\frac{3}{8}+\frac{1}{8}$ , 13. $3.04+2.881$ , 14. $14.9-6.18$ , 7. $\frac{3}{4}-\frac{1}{6}$ , 8. $\frac{5}{12}-\frac{1}{8}$ , 11. $7 \frac{5}{6}-2 \frac{1}{2}$ , 12. $7-3 \frac{1}{3}$ , 17. How is adding fractions different from adding integers?

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Problem 9651

At a party with 130 students, 35 speak French, 50 speak English, 28 speak only English, and 13 speak only French. Find the probability a randomly selected student speaks both languages.

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Problem 9652

A student drops a marble from a $180 \mathrm{~cm}$ ramp, reaching $80.0 \mathrm{~cm/s}$ . How long to reach the bottom?

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Problem 9653

In a weight-lifting contest, the winner bench-pressed 400 lbs. Other competitors lifted at least 23 lbs less.
a. Write the inequality for their weights: $x \leq 377$ . b. Can someone lift 379 lbs? No, 379 lbs is not a solution to the inequality. Explain.

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Problem 9654

What is the product of the factors 7 and 11?

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Problem 9655

Convert 963 to words using place value: nine hundred sixty-three.

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Problem 9656

Convert the number 1652 into words using the correct place value.

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Problem 9657

Convert 5.963 to words using place value: five and nine hundred sixty-three thousandths.

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Problem 9658

A visits an animal shelter and adopts 5 cats. If there are 3 times as many dogs as cats, how many dogs are there?

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Problem 9659

Lamar saves 50% of his \$500 weekly pay. How many weeks to save \$2,000 for a motorcycle down payment?

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Problem 9660

Is supplementary oxygen needed for a climb at 6282 meters (over 20,000 feet)? Explain your reasoning.

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Problem 9661

Find the range, mean, variance, and standard deviation for the wins: $2, 8, 15, 5, 13, 7, 15, 10, 5, 9$ .

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Problem 9662

How many times more houses are on Mill Street than High Street if High Street has 5 houses and Mill Street has 35 houses?

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Problem 9663

How many times greater is the 7 in the hundred thousands place than the 7 in the hundreds place in 748,719?

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Problem 9664

Find a number $x$ such that $8x - 3 = \frac{1}{2}(16(x + 1))$ . Explain why it may not exist.

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Problem 9665

Find the secant line for $f(x)=\frac{5}{x}$ at $x=4$ and $x=5$ , and the tangent line at $x=4$ .

See Solution

Problem 9666

Find the value of $x$ that makes $\frac{9}{5}=\frac{108}{x}$ true.

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Problem 9667

The Tigers scored 6 runs, which is 2 times the Orioles' runs. Find the equation for the Orioles' runs, $r$ .

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Problem 9668

What is the number that equals $3 \times 9$ ? (A) 3 (B) 6 (C) 12 (D) 27

See Solution

Problem 9669

What is the result of $3 \times 9$ ?

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Problem 9670

Let Lou have $x$ songs. Then, Kelly has $4x$ and Tiffany has $6x$ . The equation is $x + 4x + 6x = 682$ . Find Kelly's songs.

See Solution

Problem 9671

If Clippo Inc. sells 102,000 paper clips, their revenue is \$230.

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Problem 9672

Ella starts with 25 points and earns 5.5 points per visit. Write the inequality for visits $v$ to reach at least 80 points:
$25 + 5.5v \geq 80$

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Problem 9673

Is it true or false that every irrational number is a natural number? Choose: True or False.

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Problem 9674

Is it true or false that every positive number is a positive rational number? Choose A, B, C, or D.

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Problem 9675

Calculate the circumference and area of a circle with points (-3,4) and (-4,2) on its edge. Area is 157 $\mathrm{cm}^{2}$ .

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Problem 9676

Change the thousands digit in 748,712 to be $\frac{1}{10}$ of the ten thousands digit. What is the new number?

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Problem 9677

Convert 935.6 inches to yards and round to the nearest hundredth: $1 \text{ yard} = 36 \text{ inches}$ .

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Problem 9678

Is the statement true or false? The linear system from $\left[\begin{array}{llll}a_{1} & a_{2} & a_{3} & b\end{array}\right]$ has a solution if $b$ is in Span $\{a_{1}, a_{2}, a_{3}\}$ . Choose A, B, C, or D.

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Problem 9679

Find the linear demand function $p(x)$ for a stadium with 52,000 capacity, given ticket prices and attendance data. Write $p(x)$ in slope-intercept form.

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Problem 9680

What was Gloria's salary before an 11% raise if she now earns \$22,200? A. \$18,000 B. \$21,000 C. \$19,000 D. \$20,000

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Problem 9681

Californian rabbits in New Zealand: currently 190M, growing by 4M/year. Find: A. Equation $P(t)=mt+b$ ; B. $P(13)$ ; C. years since intro.

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Problem 9682

Duc has 53 pounds of nails and divides them among 4 boxes. How many pounds per box? Calculate: $53 \div 4$ .

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Problem 9683

The side of an equilateral triangle is 6 inches longer than a square's side, with a perimeter difference of 13 inches. Find the triangle's side.

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Problem 9684

Ryan walked 8 dogs for a total of \$ 55, earning \$ 5 for small dogs and \$ 8 for large. How many small dogs did he walk?

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Problem 9685

Which is larger: $184.36$ or $9,027.83$ ?

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Problem 9686

Easton can rent a car for \$49.67/day and \$0.14/mile. With \$290 and driving 475 miles, how many days can he rent?

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Problem 9687

Easton can rent a car for $\$ 49.67$ per day and drives 475 miles at $\$ 0.14$ per mile. With a budget of $\$ 290$ , how many days can he rent the car?

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Problem 9688

Identify the compound classes for the formula $\mathrm{C}_{5} \mathrm{H}_{12} \mathrm{O}_{2}$ . Check all that apply: carboxylic acid, alcohol, phenol, amide, ether, ester.

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Problem 9689

Manny's salary function is $S(v)=500+70v$ . Find slope, vertical intercept, $S(43)$ , and $v$ for $S(v)=5260$ .

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Problem 9690

Find $\delta$ such that if $|x-1|<\delta$ , then $|f(x)-1|<0.2$ , given $f(1)=1$ , $f(1.1)=0.8$ , $f(1.2)=1.2$ .

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Problem 9691

How many packs of buns (6 per pack) and patties (8 per pack) to buy for 80-100 hamburgers with no leftovers?

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Problem 9692

Siva sees a scale drawing half the width and height of the original. Is the scale factor $\frac{1}{2}$ correct? Explain.

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Problem 9693

On an assembly line, every 3rd car is green and every 4th is a convertible. Find green convertibles in first 100 cars.

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Problem 9694

Fill in the blank: A is a short, expensive loan backed by a vehicle title. Choose 1: (A) title loan (B) mortgage loan (C) payday loan.

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Problem 9695

What is the extra \$40 Lucia paid on her \$500 loan called? A savings B interest C tax

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Problem 9696

Find the new equation for $y=f(x)$ after shifting left 4 units, up 7 units, and stretching vertically by -8.

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Problem 9697

Insert $<$ or $>$ between the numbers to make it true: $\frac{8}{11} \square \frac{3}{4}$ .

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Problem 9698

Grade 7 students plan to sell 100-150 hot dogs.
a) How many packs of 12 wieners and 8 buns to avoid leftovers? Justify. b) How many packs for over 300 hot dogs?

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Problem 9699

Find the area of triangle $\triangle QRS$ with points Q(2,4), R(6,6), S(8,-2), T(3,3) and $\overline{RT} \perp \overline{QS}$ .

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Problem 9700

See Solution

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Word Problems

Problem 9601

What is the correct name for the compound NaC2H3O2⋅3H2O \mathrm{NaC}_{2} \mathrm{H}_{3} \mathrm{O}_{2} \cdot 3 \mathrm{H}_{2} \mathrm{O} NaC2​H3​O2​⋅3H2​O?

Problem 9602

A car goes 64 mph. How far does it travel in 3 hours and 15 minutes? Calculate using d=rtd = rtd=rt.

Problem 9603

Identify the experiment, trial, and outcome in a flu vaccination study with patients. Select all that apply.

Problem 9604

A school play sold 500 tickets for \$1480. Student tickets are \$2, adult tickets are \$5. How many of each type?

Problem 9605

A copy machine makes 154 copies in 3.5 minutes. How many copies does it make per minute? 1543.5\frac{154}{3.5}3.5154​ copies per minute.

Problem 9606

A car goes 68 mph. How long to travel 238 miles? hours □\square□ minutes

Problem 9607

A light bulb uses 3600 watt-hours daily. Find its consumption in 3 days and 18 hours.

Problem 9608

Xavier buys 18 bottles of orange juice for a total of \14.04.Whatisthecostperbottle?Calculate:14.04. What is the cost per bottle? Calculate: 14.04.Whatisthecostperbottle?Calculate:\frac{14.04}{18}$.

Problem 9609

Tomás calculates −2.6+(−5.4)-2.6 + (-5.4)−2.6+(−5.4). What is the result?

Problem 9610

For f(x)=8x+3f(x)=8x+3f(x)=8x+3 and g(x)=x2g(x)=x^{2}g(x)=x2, find the composite functions: (a) f∘gf \circ gf∘g, (b) g∘fg \circ fg∘f, (c) f∘ff \circ ff∘f, (d) g∘gg \circ gg∘g and their domains.

Problem 9611

A store buys 17 sweaters for \$204 and sells them for \$646. Find the profit per sweater.

Problem 9612

Find the correct formula for rubidium phosphate.

Problem 9613

Nicole practiced the piano 2030 minutes in 5 weeks. Find her daily practice rate in minutes per day.

Problem 9614

Write numbers in specified place values: 1 in hundreds, 8 in tens, 4 in ones, etc. Explain value of 0 in ten thousands.

Problem 9615

42 is 6 times more than 7.

Problem 9616

What is the correct name for the compound N2O4N_{2}O_{4}N2​O4​?

Problem 9617

Ava practiced piano for 588 minutes over 14 days. What is her daily practice rate in minutes?

Problem 9618

Round 38,469 to the nearest thousand. How many seats does the stadium have?

Problem 9619

What events does rolling a 3 belong to? Choose all that apply: EEE OR LLL, E′ANDLE^{\prime} \mathrm{AND} LE′ANDL, EEE AND LLL, E′E^{\prime}E′ OR L′L^{\prime}L′, L′L^{\prime}L′.

Problem 9620

What is the probability of rolling a 1, 2, or 3 on the first die and a 5 on the second die? Express as a fraction.

Problem 9621

What is the correct name for the compound PCl₃?

Problem 9622

Which events include drawing the Blue 1 card? Choose all that apply: RRR AND EEE, RRR AND OOO, BBB AND OOO, R′R^{\prime}R′.

Problem 9623

Calculate moles of CH3OH\mathrm{CH}_{3} \mathrm{OH}CH3​OH in 150.0 mL150.0 \mathrm{~mL}150.0 mL of 0.210MCH3OH0.210 \mathrm{M} \mathrm{CH}_{3} \mathrm{OH}0.210MCH3​OH.

Problem 9624

A rectangle's length is 5ft5 \mathrm{ft}5ft more than twice the width, with an area of 42ft242 \mathrm{ft}^{2}42ft2. Find its dimensions.

Problem 9625

Find the probability that a patient has the flu and is a woman, given P(A)=0.09P(A)=0.09P(A)=0.09 and P(B)=0.65P(B)=0.65P(B)=0.65.

Problem 9626

Find the probability of a student taking yoga or pilates given: P(yoga) = 0.70, P(pilates) = 0.60, P(yoga and pilates) = 0.51.

Problem 9627

What is the probability that Sam chooses either the day shift or the night shift if P(day) = 0.9 and P(night) = 0.03?

Problem 9628

Find the probability of a student living off campus given that P(cafeteria and off campus) = 0.07 and P(cafeteria | off campus) = 0.20.

Problem 9629

Find the secant line between x=−3x=-3x=−3 and x=−1x=-1x=−1 for y=f(x)=x2+xy=f(x)=x^{2}+xy=f(x)=x2+x and the tangent line at x=−3x=-3x=−3.

Problem 9630

Find the probability that a student is a business major given that the probability of being in a statistics course is 0.29 and 0.67. Round to three decimal places.

Problem 9631

A publishing company has C=25N+700C=25N+700C=25N+700 for costs. Find the domain and range values for NNN (0 to 300) and CCC.

Problem 9632

A gardener creates a circular flower bed with a 12 ft diameter. Find its circumference and area.

Problem 9633

A police officer gives a warning with probability 0.03 and a ticket or warning with probability 0.52. Find the ticket probability.

Problem 9634

Find integers for the description: fewer than 9 people.

Problem 9635

Find the probability of either event AAA or event BBB occurring, given P(A)=0.22P(A)=0.22P(A)=0.22 and P(B)=0.42P(B)=0.42P(B)=0.42.

Problem 9636

Let xxx be the weight bench-pressed by other competitors. Write the inequality: x≤400−23x \leq 400 - 23x≤400−23.

Problem 9637

Find the slope of the tangent line for f(x)=5xf(x)=\frac{5}{x}f(x)=x5​ at x=4x=4x=4. The slope is −516-\frac{5}{16}−165​. What is the tangent line equation?

Problem 9638

How far does sound travel in 3×10103 \times 10^{10}3×1010 seconds at 3.4×1023.4 \times 10^{2}3.4×102 m/s? Show the calculator's answer.

Problem 9639

Find the weight of an airplane with 70 gallons of fuel, given it weighs 2012 lbs at 20 gallons and 2208 lbs at 55 gallons.

Problem 9640

What is the correct name for the compound $\mathrm{NaC}_{2} \mathrm{H}_{3} \mathrm{O}_{2} \cdot 3 \mathrm{H}_{2} \mathrm{O}$ ?

A car goes 64 mph. How far does it travel in 3 hours and 15 minutes? Calculate using $d = rt$ .

A copy machine makes 154 copies in 3.5 minutes. How many copies does it make per minute? $\frac{154}{3.5}$ copies per minute.

A car goes 68 mph. How long to travel 238 miles? hours $\square$ minutes

Xavier buys 18 bottles of orange juice for a total of \ $14.04. What is the cost per bottle? Calculate:$ \frac{14.04}{18}$.

Tomás calculates $-2.6 + (-5.4)$ . What is the result?

For $f(x)=8x+3$ and $g(x)=x^{2}$ , find the composite functions: (a) $f \circ g$ , (b) $g \circ f$ , (c) $f \circ f$ , (d) $g \circ g$ and their domains.

What is the correct name for the compound $N_{2}O_{4}$ ?

What events does rolling a 3 belong to? Choose all that apply: $E$ OR $L$ , $E^{\prime} \mathrm{AND} L$ , $E$ AND $L$ , $E^{\prime}$ OR $L^{\prime}$ , $L^{\prime}$ .

Which events include drawing the Blue 1 card? Choose all that apply: $R$ AND $E$ , $R$ AND $O$ , $B$ AND $O$ , $R^{\prime}$ .

Calculate moles of $\mathrm{CH}_{3} \mathrm{OH}$ in $150.0 \mathrm{~mL}$ of $0.210 \mathrm{M} \mathrm{CH}_{3} \mathrm{OH}$ .

A rectangle's length is $5 \mathrm{ft}$ more than twice the width, with an area of $42 \mathrm{ft}^{2}$ . Find its dimensions.

Find the probability that a patient has the flu and is a woman, given $P(A)=0.09$ and $P(B)=0.65$ .

Find the secant line between $x=-3$ and $x=-1$ for $y=f(x)=x^{2}+x$ and the tangent line at $x=-3$ .

A publishing company has $C=25N+700$ for costs. Find the domain and range values for $N$ (0 to 300) and $C$ .

Find the probability of either event $A$ or event $B$ occurring, given $P(A)=0.22$ and $P(B)=0.42$ .

Let $x$ be the weight bench-pressed by other competitors. Write the inequality: $x \leq 400 - 23$ .

Find the slope of the tangent line for $f(x)=\frac{5}{x}$ at $x=4$ . The slope is $-\frac{5}{16}$ . What is the tangent line equation?

How far does sound travel in $3 \times 10^{10}$ seconds at $3.4 \times 10^{2}$ m/s? Show the calculator's answer.

Find the probability that a child requests a toy and watches cartoons, given $P(A) = 0.56$ and $P(B|A) = 0.89$ . Answer as a percent.

Rewrite the cost of the software product as an inequality: $235 < x < 370$ .

How many years does light take to travel $3.65 \times 10^{8}$ miles if a light year is $5.87 \times 10^{12}$ miles?

If $A$ and $B$ are independent with $P(A)=0.60$ and $P(A \text{ AND } B)=0.30$ , find $P(B)$ as a percent.

A weight-lifting winner bench-pressed 400 lbs; others pressed at least 23 lbs less.
a. Write the inequality for others' weights: $x \leq 377$ . b. Can someone bench-press 379 lbs? No, 379 lbs is not a solution.

Find the height from which a marble falls in 3 seconds using the formula $s=16 t^{2}$ . What is the height $s$ ?

A forest area of $2700 \mathrm{~km}^{2}$ decreases by $3.75\%$ yearly. Find the area after 13 years, rounded to the nearest km.

A student drops a marble from a $180 \mathrm{~cm}$ ramp, reaching $80.0 \mathrm{~cm/s}$ . How long to reach the bottom?

In a weight-lifting contest, the winner bench-pressed 400 lbs. Other competitors lifted at least 23 lbs less.
a. Write the inequality for their weights: $x \leq 377$ . b. Can someone lift 379 lbs? No, 379 lbs is not a solution to the inequality. Explain.

Find the range, mean, variance, and standard deviation for the wins: $2, 8, 15, 5, 13, 7, 15, 10, 5, 9$ .

Find a number $x$ such that $8x - 3 = \frac{1}{2}(16(x + 1))$ . Explain why it may not exist.

Find the secant line for $f(x)=\frac{5}{x}$ at $x=4$ and $x=5$ , and the tangent line at $x=4$ .

Find the value of $x$ that makes $\frac{9}{5}=\frac{108}{x}$ true.

The Tigers scored 6 runs, which is 2 times the Orioles' runs. Find the equation for the Orioles' runs, $r$ .

What is the number that equals $3 \times 9$ ? (A) 3 (B) 6 (C) 12 (D) 27

What is the result of $3 \times 9$ ?

Let Lou have $x$ songs. Then, Kelly has $4x$ and Tiffany has $6x$ . The equation is $x + 4x + 6x = 682$ . Find Kelly's songs.

Ella starts with 25 points and earns 5.5 points per visit. Write the inequality for visits $v$ to reach at least 80 points:
$25 + 5.5v \geq 80$