Which of the points do not lie on X-axis P(0,3), Q(1,0), R(0, -1), S(-5, 0), T(1, 2) do not lie on X-axis
a) P and R only
b) Q and S only
c) P, R and T
d) Q, S and T

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.