What is the percent decrease of 16 to 4

In which form is the following function written? y = - 2(x – 3)(x + 5)

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

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.