Can I get some parabola help, please?

What is the solution to the equation in the & show work i’m very

Part a: sam rented a boat at $225 for 2 days. if he rents the same boat for 5 days, he has to pay a total rent of $480. write an equation in the standard form to represent the total rent (y) that sam has to pay for renting the boat for x days. (4 points)

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b