Which of the following expressions is not equivalent to -12x+36?

a. -3x+20-9x+16
b. 4(-3x+9)
c. 20x-2(4x-18)
d. -6x+2(-3x+6)+24

The length of a rectangle is x times the square root of 100. the width is one-half y more than three-halves x. given that the area of the rectangle is 125 cm2, which equation could represent the rectangle in terms of x and y? a) 5xy − 15x = 125 b) 5xy + 15x = 125 c) 15x2 − 5xy = 125 d) 15x2 + 5xy = 125