Mr. Gregory has 39,171 photos to display around the art gallery. He plans to put them on 21 poster boards with the same number of photos on each poster board. How many student photos will Mr. Gregory place on each poster board?

The product of two negative rational numbers is always zero sometimes zero never zero

You call the pizza store and find out that eachpizza has 12 slices. you expect 16 people tocome, and you estimate each person will eat 3slices. how many pizzas should you order

Aswimming pool is a rectangle with semicircles on the end. the rectangle is 12 meters wide and 30 meters long. the diameter and width of the swimming pool are equal. sketch and label an overhead diagram of the swimming pool. find the area of the swimming pool floor.