Solve the inequality and graph the solution set.5x + 9 ≥ 4x + 21

Graph the set of real numbers on a number line.{x|-2 ≤ x ≤ 2}

Solve the problem.A recipe calls for 1 cups of sugar for 20 brownies. How much of sugar is needed to make 8 brownies?

Use FOIL to find the product.(4x – 7)(x – 3)

Use FOIL to find the product.(4x – 9)(x + 4)

Factor the trinomial, or state that the trinomial is prime. Check your factorization using FOIL multiplication.x2 – 2x – 15

Use properties of exponents to simplify the expression. First, express the answer in exponential form. Then, evaluate the expression.32 ∙ 33

Use properties of exponents to simplify the expression. First, express the answer in exponential form. Then, evaluate the expression.23 ∙ 24

Use FOIL to find the product.(2x + 3)(x – 10)

Solve the problem.A recipe calls for 5 ounces of unsweetened chocolate for 8 brownies. How much of unsweetened chocolate is needed to make 20 brownies?