(x+4)^2+(y-9)^2=81
What is the center of this? And can anyone explain how to do the center?

There is an entrance to the computer room at point e which lies on ab and is 5 feet from point a. plot point e on the coordinate plane. find the distance from the entrance at point e to the printer at point e

Which number line represents the solution set for the inequality - x 24?

Answer pls man im trying to get out of summer school