Solve for x. 4x-39> -43 and 8x+31< 23 choose 1 answer a) x< -1 or x> -1 b) x< -1 c) x> -1 d) there are no solutions e) all values of x are solutions

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.