The cost of two soundsystem were decreased by $10 original cost of the system of $90 and $60 without calculating which had a greater percent of decrease explain

Abcd is a parallelogram find the valuse of x

What is 1/2 x (6 x 4)+3 + 2 show your work

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