66+100-1 and I need the answer to that so pls help

Write an equation for the function that includes the points (2,100)and (3,100)

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.

Solve each quadratic equation by factoring and using the zero product property. 14x - 49 = x^2