PLEASE HELP ASAP!!
14 POINTS

a. 6 1/6
b. 6 1/3
c. 6 2/3
d. 6 3/2

Find the missing dimension extra points

The table shown below gives the approximate enrollment at the university of michigan every fifty years. how many more students were enrolled at the university of michigan in 1950 than in 1900?

Sara goes on a slingshot ride in an amusement park. she is strapped into a spherical ball that has a radius 3*10^2 of centimeters. what is the volume of air in the spherical ball? use this formula: volume of a sphere=4/3pi,r^3 , where r is the sphere’s radius.