Factor. 81a^36−64b^16 a. (9a^6-8b^4) (9a^6+8b^4) b. (9a^18-8b^8) (9a^18+8b^8) c. (9a^6-8b^4)^2 d. (9a^18-8b^8)^2

Solve the equation w^3 = 1,000 i honestly dont know how to punch this into a calculator pls

Asocial networking site currently has 400,000 active members, and that figure is predicted to increase by 32% each year. the following expression represents the number of active members on the site after t years.

The distance between two cities is 368 miles. if the scale on the map is 1/4 inch=23 miles, what is the distance between the cities on the map?