Demi and Pearce take a random survey of the 7th graders at their school to find out about their favorite
ways to exercise. Out of 50 students surveyed, 16% say they prefer jogging, and 8% prefer bicycling.
How many students choose an activity other than bicycling or jogging?
A.38 students
B.12 students
C.8 students
D.4 student

Jake volunteers to out his younger brother's basketball team in his free time. one of his tasks is to ensure that all the basketballs have enough air in them. given that a properly inflated basketball measures 8.8 inches across, what is the total volume of air inside six of jake’s basketballs? assume that the wall of each ball is infinitely thin.