Kevin needs 1,000 ribbons for a school event. each ribbon has to be 2.25 feet long. tell how kevin can use a pattern to find how many yards of ribbon he needs.

The size of a certain cell is 2.5*10^-9m. another cell is 1.5*10^3 times larger. how large is the larger cell in scientific notation?

Sketch the region enclosed by the given curves. decide whether to integrate with respect to x or y. draw a typical approximating rectangle and label its height and width. y= 5x, y=7x^2then find the area s of the region.

The function below show how much jayna and hannah charge for babysitting. which statement best compares the two plants?