Browse Math problems in the Studdy Learning Bank!

Problem 5701

Find the value of the unknown in the equation $2.66 + x = 10$ .

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Problem 5702

Solve the absolute value equation $|x^2 - 6x - 16| = 2 - 3x$ and verify the solutions meet the restrictions.

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Problem 5703

Find the value of $h$ when $h=8n^2$ and $n=3$ .

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Problem 5704

Find the value of $h$ when $k=3$ , given that $h+4=3k+5$ .

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Problem 5705

Solve the equation $4 \sqrt{x} + 6 = 7$ for $x$ .

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Problem 5706

Find the value of $z$ such that 0.04 of the area lies to the right of $z$ . Round your answer to two decimal places.

See Solution

Problem 5707

Find the result of the long division: -4 \longdiv{-248}.

See Solution

Problem 5708

Find the value of $d$ when $d=\frac{3 t}{4}+4$ and $t=8$ .

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Problem 5709

Use the quotient rule to simplify $\frac{p^{2} q^{3}}{p q^{2}}$ , where all bases are not equal to 0.

See Solution

Problem 5710

Finde die Länge der Schenkel eines gleichschenkligen Dreiecks, wenn Basis $a=37$ cm und Höhe $h_c=35$ cm sind.

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Problem 5711

Find the value of $x$ in the equation $8+x=10+3x-2$ .

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Problem 5712

Simplify the given rational expression $\frac{5 x^{2}-5}{3 x^{2}+3 x}$ .

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Problem 5713

Solve for the value of $r$ in the equation $4r + 5 = 19 - 3r$ . Give the answer as a whole number or decimal.

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Problem 5714

A sailboat's shadow $\triangle ABC$ changes to $\triangle A'B'C'$ as the distance to the screen varies. Choose all that apply: it changed shape, size, vertices moved along rays, or position.

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Problem 5715

Solve the linear equation $3x - 14 = 2x - 10$ for $x$ .

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Problem 5716

Solve the linear equation $-5x + 7(x + 2) = 4$ for $x$ .

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Problem 5717

Simplify the expression $\frac{8}{\cot^2(x) + 1}$ using fundamental identities. Verify the result numerically using a graphing utility.

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Problem 5718

Simplify the expression $(x+4)^2$ using the given steps.

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Problem 5719

Simplify the following expressions: a) $\sqrt{x^{4}} \cdot \sqrt{x^{6}}$ b) $\sqrt[3]{b^{10}} \cdot \sqrt[3]{b^{5}}$ e) $\sqrt[2]{\sqrt[3]{a^{18}}}$ f) $\sqrt[3]{\sqrt[4]{b^{40}}}: \sqrt[12]{b^{16}}$ i) $\left(\sqrt[4]{\frac{1}{x}}\right)^{-3}$ j) $\frac{\sqrt[5]{(a b)^{6}}}{\sqrt[5]{a b}}$

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Problem 5720

Evaluate the polynomial $16+4x-x^2$ for $x=2$ .

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Problem 5721

Solve a system of linear equations using graphical methods. Round solutions to one decimal place.

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Problem 5722

Find the range of the numbers: $8, 4, 9, 2, 3$ .

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Problem 5723

Solve for $Z$ in the equation $3 / 5(Y-Z)=X$ .

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Problem 5724

Determine if $-9$ is a solution to the equation $6(x-1) = -60$ .

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Problem 5725

Find the value of $x$ when $x=\sqrt{-9^{2}}+3^{2}$ .

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Problem 5726

Express $\frac{35}{49}$ as a simplified fraction.

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Problem 5727

Compare elevations of desert locations below sea level. $-61.2 < -17.1$

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Problem 5728

Solve the equation $4d + 5 = 13$ using a bar diagram.

See Solution

Problem 5729

Motorboat travels 189 mi upstream and 287 mi downstream in 7 hrs. Find boat's still water rate and current rate.
Still water rate: $\square$ mi/h Current rate: $\square$ mi/h

See Solution

Problem 5730

Find the value of $n$ that satisfies the equation $8^{n} = \frac{1}{512}$ .

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Problem 5731

Which term describes a relationship where one quantity is a multiple of the other? $A. \text{Direct variation}$ $B. \text{Variation}$ $C. \text{Direct option}$ $D. \text{Indirect variation}$ $E. \text{Indirect option}$

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Problem 5732

Find the value of the expression $5x - 2y = 3x - 6y$ when $x = -2$ .

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Problem 5733

Find the difference between the values of $x$ and $y$ in the system of equations $y = 2x + 1$ and $x + 3y = 10$ .

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Problem 5734

Solve for the unknown letter $m$ in the equation $5(m-2)=3(m+2)$ .

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Problem 5735

Find the x-coordinate of the point on the line $y=\frac{2}{3} x$ where the y-coordinate is 14.

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Problem 5736

Find the distance between the line $y = x - 4$ and the point $(-1, 5)$ . Round the answer to the nearest tenth.

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Problem 5737

Find the value of $x$ that satisfies the equation $2.5x - 1.6 = 6.9$ .

See Solution

Problem 5738

Find the sum of $98$ and $7$ .

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Problem 5739

Find the two possible lengths of the third side of a non-right triangle with $A=40^\circ$ , $a=47$ ft, and $b=57$ ft. Round to the nearest foot.

See Solution

Problem 5740

Identify the term type for "3" in the expression $9+4(x+2)-3x$ .

See Solution

Problem 5741

Знайдіть нулі функції $y = 6 - 2x$ .

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Problem 5742

Factorize the expression $7y + 21$ .

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Problem 5743

Find quadrant of $\theta$ when $\sin \theta > 0$ and $\sec \theta > 0$ .

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Problem 5744

Find the formula for the area of a rectangle from the given options.
$A = L * W$

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Problem 5745

Expand and simplify the quadratic relation $y=-2(x+3)(x-7)$ to write it in standard form. State the y-intercept.

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Problem 5746

Add the polynomials $3x^2 - 5x + 1$ and $2x^2 + 9x - 6$ . Select the correct sum.

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Problem 5747

Solve for $k$ in the linear equation $3k + 3 = 33 - 2k$ . The solution is $k = \ldots$ .

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Problem 5748

Find values of $a$ and $b$ when $c=3$ using $a=5c-11$ and $b=3a$ .

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Problem 5749

Solve the given inequalities and express the solutions using interval notation. Approximations are not accepted. (a) $-2e^x + 1 \geq -1$ has solution $(-\infty, 1]$ . (b) $\log(4x) \geq 3$ and (c) $\log(x^2) < 2$ .

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Problem 5750

Solve for $u$ in the equation $\frac{u}{2} + 16 = 31$ .

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Problem 5751

What operation undoes $X^{2}$ ? a) Divide by 2 b) Logit? c) Square root? d) Square it.

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Problem 5752

Solve for $y$ in the equation $-57=3(y-7)$ .

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Problem 5753

Grafisch löse Gleichungssysteme. Forme Gleichungen in Normalform um und prüfe Schnittpunkte.
a) $2x + 2y = 14, 6x - 3y = 15$ b) $3x + 3y = 6, 5y + 15x = -10$ c) $3x = 9 - 3y, 2y - x = -9$ f) $3x - 6y = 12, 3x + 6y = 24$ d) $4y - 2x = -3, 2y - x = -9$ e) $4x + 4y = -8, x - 2y = -8$
Lösungen: $(4|3), (5|-2), (-4|2), (-1.5|-1.5), (6|1), (-2|4)$

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Problem 5754

Solve for $x$ in the linear equation $10(x-5)=-80$ . Provide the solution(s) using basic arithmetic operations and common mathematical symbols.

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Problem 5755

Find the simplest form of the fraction $\frac{36}{104}$ .

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Problem 5756

Evaluate the expression $-8+(8--3) \times 7$ .

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Problem 5757

Find the maximum/minimum of a quadratic function by locating its vertex: $y$ -coord of vertex is the max/min value, depending on graph orientation.

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Problem 5758

Solve for $x$ in the equation $\ln (9 x+4)=4.2$ , rounding the final solution to 3 decimal places.

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Problem 5759

Calculate the value of $3 \times 8 + 2 + 7 \times 4^2$ .

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Problem 5760

Solve the equation $-x=-15$ . Simplify the solution $x=\square$ .

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Problem 5761

Simplify the expression: $\left(\frac{-8}{2}\right)^{2}$ .

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Problem 5762

Solve the equation $6x - 4 = 44$ . Simplify the solution $x = \square$ .

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Problem 5763

Solve the equation $3=\underline{12}$ for the unknown value.

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Problem 5764

Divide $2 / 7$ by 1.5 and simplify the result.

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Problem 5765

Solve the subtraction problem $3.482 - 1.186$ using the subtraction algorithm.

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Problem 5766

What percent of 3,000 people trying a new shampoo had a mild allergic reaction? $\frac{12}{3,000} \times 100 =$ % of people had a mild allergic reaction.

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Problem 5767

Find the value of $n$ in $10 = n$ . Solve the proportion with $8$ and $10$ .

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Problem 5768

Solve the cubic equation $27 x^{3}-1=0$ and find its real and complex roots.

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Problem 5769

Finde die Gleichung der verschobenen Parabel $y = x^2$ mit Verschiebungen um (a) 1 nach oben, (b) 2 nach unten, (c) 1 nach rechts, (d) 1,5 nach links.

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Problem 5770

Solve for $x$ in the equation $0.8(-0.9x + 0.8) = -(x + 7) - 3$ .

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Problem 5771

Solve $3 p-7+p=13$ . What is the equation after the first step? $p-7=13-3 p$

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Problem 5772

Solve for $v$ where $v-5.2=9.8$ .

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Problem 5773

Expand the function $f(x) = x^2(x + 2) \cdot 5$ .

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Problem 5774

Perform calculator operations involving change-of-sign key. Find the answers for: $3354 \div 43+1$ , $567+H+184$ , $178 \times 23+H$ , $57+H-92+H$ .

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Problem 5775

Find the solutions to $\tan(x + \pi/3) = \sqrt{3}/3$ over $[0, 2\pi]$ .

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Problem 5776

Simplify the expression $-2 \sqrt{18}$ .

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Problem 5777

Solve for $x$ where $7^{2x-5}=343$ . The solution set is { $\frac{5}{2}$ }.

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Problem 5778

Scatterplot: a graph of paired $(x, y)$ quantitative data that visually shows patterns in the data.

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Problem 5779

Find the range of the cost function $C = 98 + 0.12n$ for newspaper printing. Express the range as $C \geq y$ and the domain as $n \geq x$ .

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Problem 5780

Graph a triangle with vertices $A(3,1), B(3,4), C(7,1)$ . Classify the triangle by its sides and determine if it is a right triangle.

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Problem 5781

Find $a$ and $b$ in the equation $w=a t+b$ where $w$ is the water volume (gallons) in a tank filled at 8 gallons/minute starting with 50 gallons.

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Problem 5782

Find the value of $c$ that makes the quadratic expression $x^2 + x + c$ a perfect square.

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Problem 5783

Find the least residue of $50 \pmod{3}, 50 \pmod{4}, 55 \pmod{7}, 34 \pmod{4}, 75 \pmod{5}$ and show your work.

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Problem 5784

Find the monthly payment $PMT$ for a loan with $P=\$25,823$ , $n=80$ , and $i=0.023$ . (Round $PMT$ to two decimal places.)

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Problem 5785

Solve for the unknown variable x in the given proportions. Round the solutions to two decimal places.
a. $1: 2 = 4: x$ $x=8$
b. $x: 1.2 = 3: 9$ $x=4.00$

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Problem 5786

Bestimme die Ableitung und Nullstellen der Funktion $y=x^{2}+1$ und skizziere den Graphen.

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Problem 5787

Find the value of $x$ in the equation $\frac{8^{2} \times 8^{5}}{8^{30}}=8^{x}$ .

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Problem 5788

Solve for the value of $d$ in the equation $2(3d+7) = 4d + 26$ .

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Problem 5789

Add $11.23$ and $14.219$ to find the correct answer.

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Problem 5790

Find the value of $x$ when $e^{6x} = 26$ .

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Problem 5791

Simplify the product of $\frac{12}{7}$ and $\frac{9}{8}$ and express it in lowest terms.

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Problem 5792

Graph the equation $y=\log_{3}(x+3)+3$ , then find its domain, range, and vertical asymptote.

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Problem 5793

Simplify expression with higher roots: $2 \sqrt[6]{2 x} - \sqrt[3]{3 y}$

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Problem 5794

Find the value of $y$ in the equation $\frac{6^{4}}{6^{9}}=\frac{1}{6^{y}}$ , giving the answer as a whole number or simplified fraction.

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Problem 5795

Solve for $z$ in the equation $A=P(z-t)$

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Problem 5796

Write a compound statement in symbolic form: The store is not closed if and only if it is not Sunday. $\neg p \leftrightarrow \neg q$

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Problem 5797

Evaluate $f(x)=\sqrt{x+8}$ at $x=-4$ and simplify.

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Problem 5798

Find the smallest product of two numbers from the given values in standard form: $4.5 \times 10^{5}$ , $1 \times 10^{6}$ , $8 \times 10^{3}$ , $5 \times 10^{5}$ .

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Problem 5799

Find the smallest of $1/3 + 0.4$ , $1 + 2.1$ , $0.20 + 0.31$ , and $6/10$ .

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Problem 5800

Find the values of $x$ that satisfy the equation $5x^2 + 7x + 9 = 5 - 3x$ . Give each answer to 2 decimal places.

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Math

Problem 5701

Find the value of the unknown in the equation 2.66+x=102.66 + x = 102.66+x=10.

Problem 5702

Solve the absolute value equation ∣x2−6x−16∣=2−3x|x^2 - 6x - 16| = 2 - 3x∣x2−6x−16∣=2−3x and verify the solutions meet the restrictions.

Problem 5703

Find the value of hhh when h=8n2h=8n^2h=8n2 and n=3n=3n=3.

Problem 5704

Find the value of hhh when k=3k=3k=3, given that h+4=3k+5h+4=3k+5h+4=3k+5.

Problem 5705

Solve the equation 4x+6=74 \sqrt{x} + 6 = 74x​+6=7 for xxx.

Problem 5706

Find the value of zzz such that 0.04 of the area lies to the right of zzz. Round your answer to two decimal places.

Problem 5707

Find the result of the long division: -4 \longdiv{-248}.

Problem 5708

Find the value of ddd when d=3t4+4d=\frac{3 t}{4}+4d=43t​+4 and t=8t=8t=8.

Problem 5709

Use the quotient rule to simplify p2q3pq2\frac{p^{2} q^{3}}{p q^{2}}pq2p2q3​, where all bases are not equal to 0.

Problem 5710

Finde die Länge der Schenkel eines gleichschenkligen Dreiecks, wenn Basis a=37a=37a=37 cm und Höhe hc=35h_c=35hc​=35 cm sind.

Problem 5711

Find the value of xxx in the equation 8+x=10+3x−28+x=10+3x-28+x=10+3x−2.

Problem 5712

Simplify the given rational expression 5x2−53x2+3x\frac{5 x^{2}-5}{3 x^{2}+3 x}3x2+3x5x2−5​.

Problem 5713

Solve for the value of rrr in the equation 4r+5=19−3r4r + 5 = 19 - 3r4r+5=19−3r. Give the answer as a whole number or decimal.

Problem 5714

A sailboat's shadow △ABC\triangle ABC△ABC changes to △A′B′C′\triangle A'B'C'△A′B′C′ as the distance to the screen varies. Choose all that apply: it changed shape, size, vertices moved along rays, or position.

Problem 5715

Solve the linear equation 3x−14=2x−103x - 14 = 2x - 103x−14=2x−10 for xxx.

Problem 5716

Solve the linear equation −5x+7(x+2)=4-5x + 7(x + 2) = 4−5x+7(x+2)=4 for xxx.

Problem 5717

Simplify the expression 8cot⁡2(x)+1\frac{8}{\cot^2(x) + 1}cot2(x)+18​ using fundamental identities. Verify the result numerically using a graphing utility.

Problem 5718

Simplify the expression (x+4)2(x+4)^2(x+4)2 using the given steps.

Problem 5719

Problem 5720

Evaluate the polynomial 16+4x−x216+4x-x^216+4x−x2 for x=2x=2x=2.

Problem 5721

Solve a system of linear equations using graphical methods. Round solutions to one decimal place.

Problem 5722

Find the range of the numbers: 8,4,9,2,38, 4, 9, 2, 38,4,9,2,3.

Problem 5723

Solve for ZZZ in the equation 3/5(Y−Z)=X3 / 5(Y-Z)=X3/5(Y−Z)=X.

Problem 5724

Determine if −9-9−9 is a solution to the equation 6(x−1)=−606(x-1) = -606(x−1)=−60.

Problem 5725

Find the value of xxx when x=−92+32x=\sqrt{-9^{2}}+3^{2}x=−92​+32.

Problem 5726

Express 3549\frac{35}{49}4935​ as a simplified fraction.

Problem 5727

Compare elevations of desert locations below sea level. −61.2<−17.1-61.2 < -17.1−61.2<−17.1

Problem 5728

Solve the equation 4d+5=134d + 5 = 134d+5=13 using a bar diagram.

Problem 5729

Motorboat travels 189 mi upstream and 287 mi downstream in 7 hrs. Find boat's still water rate and current rate.Still water rate: □\square□ mi/h Current rate: □\square□ mi/h

Problem 5730

Find the value of nnn that satisfies the equation 8n=15128^{n} = \frac{1}{512}8n=5121​.

Problem 5731

Problem 5732

Find the value of the expression 5x−2y=3x−6y5x - 2y = 3x - 6y5x−2y=3x−6y when x=−2x = -2x=−2.

Problem 5733

Find the difference between the values of xxx and yyy in the system of equations y=2x+1y = 2x + 1y=2x+1 and x+3y=10x + 3y = 10x+3y=10.

Problem 5734

Solve for the unknown letter mmm in the equation 5(m−2)=3(m+2)5(m-2)=3(m+2)5(m−2)=3(m+2).

Problem 5735

Find the x-coordinate of the point on the line y=23xy=\frac{2}{3} xy=32​x where the y-coordinate is 14.

Problem 5736

Find the distance between the line y=x−4y = x - 4y=x−4 and the point (−1,5)(-1, 5)(−1,5). Round the answer to the nearest tenth.

Problem 5737

Find the value of xxx that satisfies the equation 2.5x−1.6=6.92.5x - 1.6 = 6.92.5x−1.6=6.9.

Problem 5738

Find the sum of 989898 and 777.

Problem 5739

Find the two possible lengths of the third side of a non-right triangle with A=40∘A=40^\circA=40∘, a=47a=47a=47 ft, and b=57b=57b=57 ft. Round to the nearest foot.

Problem 5740

Identify the term type for "3" in the expression 9+4(x+2)−3x9+4(x+2)-3x9+4(x+2)−3x.

Problem 5741

Find the value of the unknown in the equation $2.66 + x = 10$ .

Solve the absolute value equation $|x^2 - 6x - 16| = 2 - 3x$ and verify the solutions meet the restrictions.

Find the value of $h$ when $h=8n^2$ and $n=3$ .

Find the value of $h$ when $k=3$ , given that $h+4=3k+5$ .

Solve the equation $4 \sqrt{x} + 6 = 7$ for $x$ .

Find the value of $z$ such that 0.04 of the area lies to the right of $z$ . Round your answer to two decimal places.

Find the value of $d$ when $d=\frac{3 t}{4}+4$ and $t=8$ .

Use the quotient rule to simplify $\frac{p^{2} q^{3}}{p q^{2}}$ , where all bases are not equal to 0.

Finde die Länge der Schenkel eines gleichschenkligen Dreiecks, wenn Basis $a=37$ cm und Höhe $h_c=35$ cm sind.

Find the value of $x$ in the equation $8+x=10+3x-2$ .

Simplify the given rational expression $\frac{5 x^{2}-5}{3 x^{2}+3 x}$ .

Solve for the value of $r$ in the equation $4r + 5 = 19 - 3r$ . Give the answer as a whole number or decimal.

A sailboat's shadow $\triangle ABC$ changes to $\triangle A'B'C'$ as the distance to the screen varies. Choose all that apply: it changed shape, size, vertices moved along rays, or position.

Solve the linear equation $3x - 14 = 2x - 10$ for $x$ .

Solve the linear equation $-5x + 7(x + 2) = 4$ for $x$ .

Simplify the expression $\frac{8}{\cot^2(x) + 1}$ using fundamental identities. Verify the result numerically using a graphing utility.

Simplify the expression $(x+4)^2$ using the given steps.

Evaluate the polynomial $16+4x-x^2$ for $x=2$ .

Find the range of the numbers: $8, 4, 9, 2, 3$ .

Solve for $Z$ in the equation $3 / 5(Y-Z)=X$ .

Determine if $-9$ is a solution to the equation $6(x-1) = -60$ .

Find the value of $x$ when $x=\sqrt{-9^{2}}+3^{2}$ .

Express $\frac{35}{49}$ as a simplified fraction.

Compare elevations of desert locations below sea level. $-61.2 < -17.1$

Solve the equation $4d + 5 = 13$ using a bar diagram.

Motorboat travels 189 mi upstream and 287 mi downstream in 7 hrs. Find boat's still water rate and current rate.
Still water rate: $\square$ mi/h Current rate: $\square$ mi/h

Find the value of $n$ that satisfies the equation $8^{n} = \frac{1}{512}$ .

Find the value of the expression $5x - 2y = 3x - 6y$ when $x = -2$ .

Find the difference between the values of $x$ and $y$ in the system of equations $y = 2x + 1$ and $x + 3y = 10$ .

Solve for the unknown letter $m$ in the equation $5(m-2)=3(m+2)$ .

Find the x-coordinate of the point on the line $y=\frac{2}{3} x$ where the y-coordinate is 14.

Find the distance between the line $y = x - 4$ and the point $(-1, 5)$ . Round the answer to the nearest tenth.

Find the value of $x$ that satisfies the equation $2.5x - 1.6 = 6.9$ .

Find the sum of $98$ and $7$ .

Find the two possible lengths of the third side of a non-right triangle with $A=40^\circ$ , $a=47$ ft, and $b=57$ ft. Round to the nearest foot.

Identify the term type for "3" in the expression $9+4(x+2)-3x$ .

Знайдіть нулі функції $y = 6 - 2x$ .

Factorize the expression $7y + 21$ .

Find quadrant of $\theta$ when $\sin \theta > 0$ and $\sec \theta > 0$ .

Find the formula for the area of a rectangle from the given options.
$A = L * W$

Expand and simplify the quadratic relation $y=-2(x+3)(x-7)$ to write it in standard form. State the y-intercept.

Add the polynomials $3x^2 - 5x + 1$ and $2x^2 + 9x - 6$ . Select the correct sum.

Solve for $k$ in the linear equation $3k + 3 = 33 - 2k$ . The solution is $k = \ldots$ .

Find values of $a$ and $b$ when $c=3$ using $a=5c-11$ and $b=3a$ .

Solve for $u$ in the equation $\frac{u}{2} + 16 = 31$ .

What operation undoes $X^{2}$ ? a) Divide by 2 b) Logit? c) Square root? d) Square it.

Solve for $y$ in the equation $-57=3(y-7)$ .

Solve for $x$ in the linear equation $10(x-5)=-80$ . Provide the solution(s) using basic arithmetic operations and common mathematical symbols.

Find the simplest form of the fraction $\frac{36}{104}$ .

Evaluate the expression $-8+(8--3) \times 7$ .

Find the maximum/minimum of a quadratic function by locating its vertex: $y$ -coord of vertex is the max/min value, depending on graph orientation.

Solve for $x$ in the equation $\ln (9 x+4)=4.2$ , rounding the final solution to 3 decimal places.

Calculate the value of $3 \times 8 + 2 + 7 \times 4^2$ .

Solve the equation $-x=-15$ . Simplify the solution $x=\square$ .

Simplify the expression: $\left(\frac{-8}{2}\right)^{2}$ .

Solve the equation $6x - 4 = 44$ . Simplify the solution $x = \square$ .

Solve the equation $3=\underline{12}$ for the unknown value.

Divide $2 / 7$ by 1.5 and simplify the result.

Solve the subtraction problem $3.482 - 1.186$ using the subtraction algorithm.

What percent of 3,000 people trying a new shampoo had a mild allergic reaction? $\frac{12}{3,000} \times 100 =$ % of people had a mild allergic reaction.

Find the value of $n$ in $10 = n$ . Solve the proportion with $8$ and $10$ .

Solve the cubic equation $27 x^{3}-1=0$ and find its real and complex roots.

Finde die Gleichung der verschobenen Parabel $y = x^2$ mit Verschiebungen um (a) 1 nach oben, (b) 2 nach unten, (c) 1 nach rechts, (d) 1,5 nach links.

Solve for $x$ in the equation $0.8(-0.9x + 0.8) = -(x + 7) - 3$ .

Solve $3 p-7+p=13$ . What is the equation after the first step? $p-7=13-3 p$

Solve for $v$ where $v-5.2=9.8$ .

Expand the function $f(x) = x^2(x + 2) \cdot 5$ .

Perform calculator operations involving change-of-sign key. Find the answers for: $3354 \div 43+1$ , $567+H+184$ , $178 \times 23+H$ , $57+H-92+H$ .