Please help it is due today

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

How can constraints be used to model a real-world situation?

At your job you're paid $50 per week plus $3 per sale at least how many saled do you need to make in order to have over $250