If 5 apples cost $2.00, how much will 15 apples cost?

Ageologist had two rocks on a scale that weighed 4.6 kilograms together. rock a was 0.5 of the total weight. how much did rock a weigh?

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

There is an entrance to the computer room at point e which lies on ab and is 5 feet from point a. plot point e on the coordinate plane. find the distance from the entrance at point e to the printer at point e