Find each sum or difference. 4 - 9

List all numbers from the given set that are a. natural numbers, b. whole numbers, c. integers, d. rational numbers, e. irrational numbers, f. real numbers. {-11, -5/6, 0, 0.75, √5, π, √64}

Multiply or divide as indicated. Write answers in lowest terms as needed. $\frac{6}{11}÷\frac{5}{4}$

Find each sum or difference. -6 - 5

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