0. Review of Algebra

Write each percent as a fraction. Give answers in lowest terms. 180%

Write each percent as a fraction. Give answers in lowest terms. 7.5%

Write each percent as a fraction. Give answers in lowest terms. 2.5%

Write each fraction as a percent. 4/5

Write each fraction as a percent. 3/25

Write each fraction as a percent. 7/50

Write each fraction as a percent. 9/20

Write each fraction as a percent. 2/11

Write each fraction as a percent. 4/9

Write each fraction as a percent. 9/4

Write each fraction as a percent. 8/5

Determine whether each statement is true or false. If false, correct the right side of the equation. (2/3)^-2 = (3/2)^2

Determine whether each statement is true or false. If false, correct the right side of the equation. (3x^2)^-1 = 3x^-2

Simplify each expression. See Example 1. (9^3)(9^5)

Simplify each expression. See Example 1. (4^2)(4^8)