Which of the following shows the sum of the polynomials −3x2+3y2+4x and 4x2−4y+2? a. −3x2+3y2+4x+4x2−4y+2 b. −x2+3y2+4x−4y+2 c. x2+3y2+4x−4y+2 d. 7x2+3y2+4x+4x2−4y+2

Recall the definition of a polynomial expression. find two polynomial expressions whose quotient, when simplified,is. use that division problem to determine whether polynomials are closed under division. then describe how theother three operations-addition, subtraction, and multiplication-are different from division of polynomials.

The pyramid shown has a square base that is 24 centimeters on each side. the slant height is 16 centimeters. what is the lateral surface area?

Compare the following pair of numbers a and b in three ways. a. find the ratio of a to b. b. find the ratio of b to a. c. complete the sentence: a is percent of b. a=120 and b=340 a. the ratio of a to b is . b. the ratio of b to a is . c. a is nothing percent of b.