Choose the pair of fractions that must have a product less than 1. Then compute the exact product.

Aculture started with 3000 bacteria. after 5 hours it grew to 3900 bacteria. predict how many bacteria will be present after 9 hours

700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?

Apyramid fits exactly inside a cube. the cube and the pyramid share the same square base, and they are both exactly the same height. the volume of the cube is 66 cubic inches. what is the volume of the pyramid? explain your answer. answer asap