Multiply or divide as indicated. Write answers in lowest terms as needed. $\frac{3}{4}÷12$

Determine whether each statement is true or false. -13 ≤ -2

Simplify each exponential expression in Exercises 23–64. $(-3x^2{y}^5{)}^2$

Find each sum or difference. -12.31 - (2.13)

Multiply or divide as indicated. Write answers in lowest terms as needed. $\frac{2}{5}÷30$

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

Determine whether each statement is true or false. {2, 5, 8, 9} = {2, 5, 9, 8}