It will take an hour for plane a to meet plane b which is flying in the opposite direction. if, in 45 minutes, the distance between them will be 200 miles, how far apart are they now?

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

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

Mat bought a phone for $100. he has to pay $30 per mouth. if he has paid $640 in total, how many mouth has he had the phone?