If f(x) = 3x - 2 and g(x) = 2x + 1, find (f+ 9)(X). A. X-1 B. X-3 c. 5x-1 D. 5x-3

Me with this one question, and i'll upvote the brainliest answer

Solve the following simultaneous equation by using an algebraic method (either substitution or elimination) 2x + 3y=-4 4x-y=11

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?