Please help me need to turn this in!

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area

At the electronics store you have a coupon for 20% off up to 2 cds you buy for cds with the original cost of $10.99 each the sales tax is 5% what is the total cost of your purchase

Simplify. 3(4+4x) (type your answer in with no spaces)