2. A number is 12 more than the other. Find the numbers if their sum is 48. Define variables:
x = a number & x + 12 = the other number
Set up an equation, then solve.

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.