If f(x)=x-3/x, g(x)=x+3, and h(x)=2x+1, what is (g*h*f)(x).

a. 3x-6/x
b. 6x-6/x
c. 2x+4/2x+7
d. 4x-3/x

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling

Angela took a general public aptitude test and scored in the 88th percentile for aptitude in accounting. what percentage of the scores were at or below her score?