Find (f*g)(x) when f(x)=x^2-7x+12 and g(x)=7/x^2-16

Question: what is the value of x 4x-2= (-7) +5x. it would be greatly appreciated if someone could actually explain to me step by step

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1

Do,h = (7, 9) (14, 18) the scale factor is