Simplify the expression 2^3 • 2^5

a) 2^15
b) 4^8
c) 4^15
d) 2^8

Which expression gives the area of the triangle shown below

Two rectangular prisms have the same volume. the area of the base of the blue prism is 418 4 1 8 square units. the area of the base of the red prism is one-half that of the blue prism. which statement is true?

The sum of the speeds of two trains is 720.2 mph. if the speed of the first train is 7.8 mph faster than the second train, find the speeds of each.