What fraction breaks the number 48 into 8 equal pieces

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8

Onnie is considering doing some long term investing with money that she inherited. she would like to have $50,000 at the end of 30 years. approximately how much money would lonnie need to put into an account earning 6% interest compounded annually in order to meet her goal?

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.