Whats the answer? thanks

What are the possible rational zeros of [tex]f(x) = x^4+2x^3-3x^2-4x+18[/tex]

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

Labc is reflected across x = 1 and y = -3. what are the coordinates of the reflection image of a after both reflections?