Mr. davis has 15 students in his class. he wants to send 3 of his students to pick up books for the class. How many combinations of his students can he choose?

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x,y) ?

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.

An air conditioning system can circulate 350 cubic feet of air per minute. how many cubic yards of air can it circulate per minute?