Which expression uses the greatest common factor and the distributive property to rewrite the sum 75 + 45? a. 45(30 + 1) b. 15(5 + 3) c. 15(3 + 7) d. 5(70 + 40)

Select the correct answer from each drop-down menu. consider the following polynomials equations. 3x^2(x-1) and -3x^3+ 4x^2-2x+1 perform each operation and determine if the result is a polynomial. is the result of a + b a polynomial? yes or no is the result of a - b a polynomial? yes or no is the result of a · b a polynomial? yes or no