Chapter 8

Solve each inequality. Check your solution. $$-9+k>20$$

Express each number in scientific notation. $$-37,000$$

Solve each equation. Check your solution. $$63=9(2 y-3)$$

Find each product. Write in simplest form. $$\frac{1}{8} \cdot \frac{3}{4}$$

Solve each inequality. Check your solution. $$22 \leq-15+y$$

Express each number in scientific notation. $$0.000498$$

Solve each equation. Check your solution. $$3(n-1)=1.5(n+2)$$

Find each product. Write in simplest form. $$-\frac{3}{7} \cdot \frac{5}{9}$$

ALGEBRA For the given value, state whether each inequality is true or false. $$x-5>4, x=9$$

Solve each inequality. Check your solution. $$12+z \leq 8$$

Express each number in scientific notation. $$-0.00203$$

Four times a number minus 6 is equal to the sum of 3 times the number and \(2 .\) Define a variable and write an equation to find the number.

Find each product. Write in simplest form. $$2 \frac{1}{2} \cdot\left(-\frac{5}{6}\right)$$

ALGEBRA For the given value, state whether each inequality is true or false. (Lesson 8-3) $$9+a \leq 3, a=-7$$

Solve each inequality. Check your solution. $$14 \geq 7+a$$

Evaluate each expression. $$2 t+8, t=-3$$

Find each quotient. Write in simplest form. $$\frac{2}{3} \div \frac{1}{3}$$

Find each product. Write in simplest form. $$\frac{a b}{2} \cdot \frac{4}{b c}$$

ALGEBRA For the given value, state whether each inequality is true or false. (Lesson 8-3) $$\frac{d}{2} \geq 8, d=4$$

If 12 of the 20 students in a class are boys, what percent are boys?

Evaluate each expression. $$b+11, b=-15$$

Find each quotient. Write in simplest form. $$\frac{3}{2} \div \frac{1}{5}$$

Solve each equation. $$2 x+3=9$$

GEOMETRY The perimeter of a rectangle is 24 centimeters. Find the dimensions if the length is 3 more than twice the width.

Write \(\frac{1}{200}\) as a percent.

Evaluate each expression. $$4 a, a=-6$$

Find each quotient. Write in simplest form. $$\frac{1}{4} \div \frac{7}{2}$$

Solve each equation. $$5 a-6=14$$

ALGEBRA Use the Distributive Property to rewrite each expression as an equivalent algebraic expression. (Lesson \(3-1\) ) $$4(2+8)$$

Express each ratio as a unit rate. \(\$ 5\) for 2 loaves of bread

Keri has \(\frac{7}{8}\) gallon of gasoline left. Her mower uses \(\frac{1}{6}\) gallon to cut an average yard. How many average yards can she mow?

Solve each equation. $$3 n-8=-26$$

ALGEBRA Use the Distributive Property to rewrite each expression as an equivalent algebraic expression. (Lesson \(3-1\) ) $$-2(n+6)$$

Express each ratio as a unit rate. 200 miles on 12 gallons

Solve each equation. $$x+19=32$$

Solve each equation. $$\frac{t}{3}+5=2$$

ALGEBRA Use the Distributive Property to rewrite each expression as an equivalent algebraic expression. (Lesson \(3-1\) ) $$5(x-3.5)$$

Express each ratio as a unit rate. 24 meters in 4 seconds

Solve each equation. $$a+7=-3$$

Solve each equation. $$\frac{c}{4}-1=4$$

ALGEBRA Use the Distributive Property to rewrite each expression as an equivalent algebraic expression. (Lesson \(3-1\) ) $$(9-d)(-3 c)$$

Express each ratio as a unit rate. 9 monthly issues for \(\$ 11.25\)

Solve each equation. $$26+c=19$$

Solve each equation. $$\frac{d}{2}+3=19$$

PREREQUISITE SKILL Solve each equation. $$-7 x=14$$

Solve each equation. $$44-c=26$$

PREREQUISITE SKILL Solve each equation. $$-3 y=-27$$

Solve each equation. $$y-9.7=10.1$$

PREREQUISITE SKILL Solve each equation. $$\frac{d}{-3}=-6$$

Solve each equation. $$r-1.6=-0.6$$