One airplane leaves an airport at noon flying north at 300 miles per hour. Another leaves the

Question:

One airplane leaves an airport at noon flying north at 300 miles per hour. Another leaves the same airport one hour later and flies east at 400 miles per hour.
(a) What are the positions of the airplanes at 2:00 P.M.?
(b) What is the distance between the two planes at 2:00 P.m.?
(c) What is the distance between the two planes at 2:15 P.m.?