A stack of 500 pieces of paper is 1.9 inches tall. How thick is each piece of paper?

The measure of an angle is 117°. what is the measure of a supplementary angle?

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.

Find the solution on the interval [0, 2pi)