Graph the equations to solve the system y = 3x + 5 y = -x - 3

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)

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?

Sara made $253 for 11 hours of work. at the same rate how much would he make for 7 hours of work?