Express as a trinomial.
(3x + 1)(x + 9)

Tony is pouring milk for student lunches. she knows that 3 quarts of milk contain 12 cups. how many cups can she pour with 7 quarts of milk? how many quarts will she need to pour 10 cups of milk?

Select the point that is a solution to the system of inequalities. y< x^2+6 y> x^2-4

Given the number line, what ray does not contain cb?