The histogram shows the height, in feet, of Black Cherry Trees.

(a) How many total Black Cherry Trees are included in the histogram
(b) What is the most common height range of the Black Cherry Trees

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.