Which expression is equivalent to (9x^2+2x-7)(x-4) A. -4x(9x^2+2x-7)
B. x(9x^2+2x-7)-4
C. x(9x^2+2x-7)+4(9x^2+2x-7)
D. (9x^2+2x-7(x)+(9x^2+2x-7)(-4)

Atriangle has an area of 72 square inches. if the base of the triangle has a length of 18 inches, what is the height of the triangle? use the formula for the area of a triangle: area = (base)(height) type a numerical answer in the space provided. do not include the units or spaces in your answer.

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28

Me n o w. i need t h i s. 10 points