Find the common difference for the given sequence 1.05, 1.1, 1.15, 1. a)0.005 b)0.05 c)0.5

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.