Joe wants to use the hiking club's funds to purchase new walking sticks for each os its 19 memebers. the sticks cost $26 each. the club has $480. is this enough money to buy each memeber a new walking stick? if not ,how much more money is needed

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.