Klay's lunch cost $6. this is $2 less than ella's lunch cost. how much did ella's lunch cost? select the correct solution method below, using x to represent the cost of ella's lunch.

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.