Francis can complete 91 oil changes in 7 days how many oil changes can francis complete in 11 days

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

Moira has a canvas that is 8 inches by 10 inches. she wants to paint a line diagonally from the top left corner to the bottom right corner. approximately how long will the diagonal line be?

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