Which program offered to improve infrastructure by providing electricity to millions of people?
a. agricultural adjustment act
b. civilian conservation corps
c. tennessee valley authority
d. national recovery administration

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.