Nadia is a stockbroker she earns 11%commission each week last week she sold 7,100 how much commission did she make in 2011

Trish receives $450 on the first of each month. josh receives $450 on the last day of each month. both trish and josh will receive payments for next four years. at a discount rate of 9.5 percent, what is the difference in the present value of these two sets of payments?

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.