Each choice compares two expressions. Choose ALL pairs of expressions that are equivalent. A) y + y + y = 3y B) 2c − 5 = (c × c) − 5 C) k2 + 3j = k + k + j + j + j D) 3x + 2y = (x × x × x) + (y × y) E) a3 + 2b = (a × a × a) + (b + b)

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.