Which of the following is a factor of the polynomial x^2 - 9?

C. BOTH A AND B

What is the sum of 7 and 5?

A. 12

Which of the following represents the intersection of the sets A = {1, 2, 3} and B = {2, 3, 4}?

B. {2, 3}

What is the H.C.F. of the polynomials 2x^2 + 4x and 4x^2 + 8x?

A. 2X

Which of the following expressions is equivalent to (3x^2 + 6x) ÷ 3x?

A. X + 2