PLEASE HELP ME PLEASE! what is the answer besides 2

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

Mat bought a phone for $100. he has to pay $30 per mouth. if he has paid $640 in total, how many mouth has he had the phone?

Jane’s favorite fruit punch consists of pear, pineapple, and plum juices in the ratio 5: 2: 3. chapter reference how much punch can she make if she has only 6 cups of plum juice?