Mr. Villegas can drive 280 miles in 4 hours. How long would it take him to drive 2.5 hours?

Which problem could be  solved  by evaluating the expression  7×(−3)7×-3?

An alternative to car buying is to make monthly payments for a period of time, and then return the vehicle to the dealer, or purchase it. this is called

Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.