Thomas heard from his friend in algebra class that it's better to have the interest compounded monthly. What would that equation be, and how much would that pretend account have after 18 years?

#12 find the value of x. #13 find the value of the variable.

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup

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.