Evaluate c=2 *pi symbol* r, for r=8

Solve the equation - 2(m -30) = -6m a-15 b-13 c-8 d8

If $740 is invested at an interest rate of 11% per year and is compounded continuously, how much will the investment be worth in 7 years? use the continuous compound interest formula a = pert.

Which equation can be solved to find x the measure of jk in the apex