6. roy hit 3 less than 4 times the number of balls during baseball practice than joe did. together the boys hit 52 balls. how many balls did joe hit?

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π

What is the the greatest common factor ?