What is 250/11 simplified (in fraction form not decimal)

How do you use the elimination method for this question? explain, because i really want to understand!

Select the quadratic that has root x = 8 and 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