What is 2z^4-9z-3z^2 in standard form

Toyland is having a sale. all items are 20% off. how much will you save on an item that usually sells for 95$ explain your

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 rectangle if translated 6 units right and 16 units down and the rotated 90° clockwise about the point (4, -11) will result in rectangle e?