Eight less than four times a number

a) 4x−8
b) 8−4x
c) 4(x−8)
d) 4(8−x)

Diana is painting statues she has 7/8 of a liter of paint each statue requires 1/20 of a liter of paint how many statues can she paint?

Which of the following is the true for f(x) = 5cos

When solving this problem: 3025/5.5 = a/90.75 you get 49912.5 which would be the length of one of the sides of a square when the area is only 90.75 inches. is that answer correct, why, and how is it possible?