Find each sum or difference. -6 - 5

Determine whether each statement is true or false. 3 ∈ {2, 5, 6, 8}

Multiply or divide as indicated. Write answers in lowest terms as needed. $\frac{7}{5}÷\frac{3}{10}$

Use the product rule to simplify the expressions in Exercises 41 - 44. In exercises 43 - 44, assume that variables represent nonnegative real numbers. √300

Find each sum or difference. 8 - (-13)

Determine whether each statement is true or false. 1 ∈ {11, 5, 4, 3, 1}