A student rolls a die 15 times and records the results. This is the first set of data. The same student rolls a
different die 15 times and records the results. This is the second set of data.
What is an appropriate conclusion about the shape of the dot plots?

Two cars which are 40 miles apart start moving simultaneously in the same direction with constant speeds. if the speed of the car which is behind is 56 mph and the speed of the other car is 48 mph, how many hours will it take for the car which is behind to catch up the car ahead of it?