Jerrold was playing around and created the following expressions for fun. Are they equivalent? How can you tell? 2x + 2 x + 1 + x + 1 2(x + 1)

When y’all answer can y’all explain too !

Simplify the expression. -2/5(10+15m-20n)

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.