Stephen and Chelsea want to increase the volume of this prism

by 72 cubic centimeters. Chelsea wants to add eight layers, and

Stephen says they only need to add four layers. Their teacher

tells them they are both correct. Explain how this is possible.

The value √10 and √15 are plotted on the number line

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

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.