If you drive 220 miles in 4 hours how many miles would you drive per hour

Given the points a(-2, 1) and b(8, 6), find the coordinates of the point c on directed line segment ab, that partitions ab in the ration 2: 3.

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16