Could you me out with number 8 and give me the equation

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.

Which of these lines passes through the point (1,-1) and has a slope of -3?

Every night nathan has to read for at least 25 minutes write and inequality that shows how long nathan can read each night