Whats the square root of 580?

Suppose a ball is dropped fromca height of 6ft. it bounces back up but time it bounces, it reaches only 7/10 of its pervious height. what is the total of each height that the ball reaches after 5 bounces

Graph the equation by plotting point x=2

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