Makayla has 3 yards of ribbon to use for a craft project. She cuts the ribbon into pieces that are 1/5 yard long.

How many pieces of ribbon does Makayla have?

Simplify the expression. -2/5(10+15m-20n)

Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.

If 7x=9y, y/z = 7/5 , then x/z = (a) 2/7 (b) 7/9 (c) 9/5 (d) 9/7 (e) 5/9