Does anyone know the answer to these?? Please answer quickly and please don’t joke around .

Simplify (2^5/3^2)^4 a. 2^20/3^8 b. 2^9/3^8 c. 8^5/12^2 d. 2/3^2

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie

Sweet t saved 20 percent of the total cost of the green-eyed fleas new album let there be fleas on earth. if the regular price is $30 how much did sweet save