A gift box is shaped of a right rectangle prism

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

Given the following linear function sketch the graph of the function and find the domain and range. ƒ(x) = -5x + 4

What is the inverse of f(x) = 6x -24