The original vertices of a quadrilateral are (-2,3), (4,6), (4,2), and (3, -2). after a transformation, the new coordinates are (-1,1.5), (2,,1), and (1.5,-1). are the two images similar?

Two airplanes start at the same place and travel in opposite directions, one at 395 miles per hour and the other at 422 miles per hour. how many hours will it take for the planes to be 2451 miles apart?