If the circumference of a circle is 28.26 cm, what is the area of the circle

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?

Stefanie is painting her bedroom. she can paint 2 1/3 square feet in 4/5 of an hour. how many square feet can she paint in one hour?

What is the solution to this system of linear equations? 2x + 3y = 3 tx-3y= 24