25 easy points thank my profile)plsss)10+10-1-1-1-1-1-1-1-1 -1-1

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.

Keith runs 5 miles in 38 minutes. at the same rate, how many miles would he run in 57 minutes

Hurry im being timed the graph of f(x)=x^3-3x^2+4 is shown based on the graph how many distinct real numbers solutions does the equation x^3-3x^2+4=0 have