If y=3x-4 is the solid boundary line of a linear inequality and (5,1) is in the solution area, what is the inequality?

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?

What are the solutions of the following system? y=-2x^2 y=x-2

What is the value of 4x to the third +4x if x is 4