Why did the long expression that had just gotten out of the hospital move more slowly that the short expression?

Renita analyzed two dot plots showing the snowfall during the winter months for city a and for city b. she found that the median snowfall is 5 inches less in city a than in city b. the mean snowfall is about 2 inches less in city a than in city b. which explains why there is a difference in the measures of center for the sets of data?

The parabola opens: y=√x-4 (principal square root) up down right left

Acar travels at an average speed of 56 miles per hour. how long does it take to travel 196 miles