Bred has to paint a wall with 8 horizontal stripes. he has enough paint only for 5 blue, 5 red and 5 white stripes. if he can use at most 2 colors, how many different ways he can paint the wall.

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.