Find the volume of the sphere. Round the answer to the nearest tenth.
16 ft
V
ft?

Based on what i know about mean, this doesn't add up.

At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?

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