Which equation is correct regarding the measure of Z1? O m 21 = {(a-C)
O mx1 = (a+c)
O m21= {(6-0)
O m21 = {(6+)

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.