Which equations model exponential growth? select each correct answer. will give brainliest for your because i need it!

Two parallel lines are crossed by a transversal.what is value of x

What are “like terms”? why can we only add like terms?

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