What is 7,500,000,000 in scientific notation

If the North American Plate is moving at a speed of 4 cm per year how many meters will the United States travel in a hundred years

800 in the ratio 9:13:18

James school is four blocks away from his house if he walks to and from school each day how many blocks will he walk in two weeks

A copy machine makes 44 coppies per minute. How long does it take to make 209 copies

What is the percent of 2 = 1.84?

Express 400 miles in 6 hours as a ratio

The owner of a video store has determined that the profits "P" of the store are approximately given by P (x) = - x^ (2) + 30x+76, where x is the number of videos rented daily.

Harold stores 10,656 pounds of grain for his 24 cattle. Each cow eats about 12 poinds of grain each day. How many days would the food supply last?

What is 91.80 divided by 4?

How do i figure out 3/4 of 640 fraction