What do the medians and ranges of two dot plots tell you about the data

Determine the relationship of ab and cd given the following points

!! 10 ! a westbound jet leaves central airport traveling 635 miles per hour. at the same time, an eastbound plane departs at 325 miles per hour. in how many hours will the planes be 1900 miles apart?

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg