A woodworker cuts a board into 5 equal pieces. Each pieces measures 1.871 feet. What was length of the entire board before it was cut?

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9

Collin did the work to see if 10 is a solution to the equation r/4=2.4

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.