At a restaurant 58 people were asked in a survey if they eat meat, fish, or both. Of those adults 18 only eat meat, 19 only eat fish, and 12 eat both.

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.