Thiannon is having a party. A total of 20 people are coming, How many pizzas Will she need to buy if each person has 3 slices and the pizzas are sliced into
eighths?
Show your work and equation

Liam's parents are driving three times as fast as liam is biking, but they left later than he did. if his parents caught up with him two hours after he left, how much later than liam did they leave?

What does independent variable and dependent variable mean in math?

Harry the hook has 7 1/3 pounds of cookie dough.she uses 3/5 of it to bake cookie. how much cookie dough does she use to make cookie?