0. Review of Algebra

Write each fraction as a percent.

$\frac{2}{11}$

Use the product rule to simplify the expressions in Exercises 13–22. In Exercises 17–22, assume that variables represent nonnegative real numbers. √27

Write each fraction as a percent.

$\frac{7}{50}$

Find the union of the sets. {e,m,p,t,y} ∪ ∅

Find each sum or difference. 4 - 9

Evaluate each expression without using a calculator. 27^1/3

Determine whether each statement is true or false. {x | x is a natural number less than 3}= {1, 2}

Evaluate each expression. 10³

Use the quotient rule to simplify the expressions in Exercises 45-46. √(121/4)

Evaluate each expression. -2⁴

Write each fraction in lowest terms. 18/90

Multiply or divide as indicated. 12.8 × 9.1

Find the domain of each rational expression. (2x - 4) / (x + 7)

Insert ∈ or ∉ in each blank to make the resulting statement true. 5 ____ {4, 6, 8, 10}