Help need done fast pls.

You receive 15% of the profit from a car wash how much money do you receive from a profit of 300

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?

Find all the angles that satisfy the equation cos(θ)=32