A box of cereal has a width the 4 inches, and a length of 8 inches and the height of 12 inches. What is the volume of the box, in the cube inches?

One positive number is 9 more than twice another. if their product is 95, find the numbers

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate. true or false?

The mass of a marine organism, in pounds, p years after it is born is given by the polynomial function r(p) = -4p2 + 300p. find the mass when p = 20 years.