Answers: A. (x-4)^2 + (y+2)^2=4
B. (x+4)^2 + (y-2)^2=4
C. (x-4)^2 + (y+2)^2=16
D. (x+4)^2 + (y-2)^2=16

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.