For the following right triangle, find the side length x.
Please help

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?

Melanie is buying a bathing suit that costs 39.99. she is given a discount at the cash register of $6.00 when she scratched 15% off on a game piece for a store promotion. what will the sale price of melanie’s bathing suit be?