Suppose that the functions q and r are defined as follows. q(x) = x^2 + 9
r(x) = sqrt(x+8)
Find the following.
(q o r)(8)= ?
(r o q)(8)= ?

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.