Annette is stacking boxes in her closet. there are 15 boxes in all. if each box weighs 7.5 pounds, his much do the boxes weigh together

What is the exact area of a circle with a diameter of 50 centimeters? a.87.9 square centimeters b.379.9 square centimeters c.1962.5 square centimeters d.4923.5 square centimeters

Problem fathi wants to print out a pdf document that is 48 pages long. to save paper, he decides to print on both sides of each sheet and to print two pages on each side of the sheet. how many sheets of paper will he need?

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?