If f(x) = 2x2 - 5 and g(x) = x2 - 4x - 8, find (f - g)(x). O A. (f- g)(x) = x2 - 4x - 3
O B. (f- g)(x) = x2 + 4x + 3
O C. (f- g)(x) = 3x2 - 4x - 13
O D. (f - g)(x) = -x2 - 13

Asphere has a diameter of 10 in. what is the volume of the sphere?

Bring the fraction a/a-4 to a denominator of 16-a^2

Joe has a rectangular chicken coop. the length of the coop is 4 feet less than twice the width. the area of the chicken coop is 510 square feet. what is the length of the chicken coup?