Which of the following measurements could be the three side lengths of a right triangle? 4 cm, 5 cm, 9 cm
12 cm, 20 cm, 25 cm
18 cm, 24 cm, 30 cm
2 cm, 3 cm, 5 cm

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?

Amira is painting a rectangular banner 2 1/4 yards wide. the banner will have a blue background. amira has enough paint to cover 1 1/2 square yards of the wall. the school colors are blue and yellow, so amira wants to add yellow rectangles on the left and right sides of the blue rectangle. the yellow rectangles will each be 3/4 yards wide and the same height as the blue rectangle. what will be the total area of the two yellow rectangles?

Ten members of balin's soccer team ran warm ups for practice. each member ran the same distance. their combined distance was 5/6 of a mile. to find the distance that each member ran, balin wrote the expression below.