The average 12- ounce container of raspberries contains 120 raspberries. The actual amount of raspberries in a container can range from 4 berries below average to 4 berries above average.

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

What expression is equivalent to (2x-1)(x-3)?

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.