Which monomial is a perfect cube?
a. 16x^6
b. 27x^8
c. 32x^12
d. 64x^6

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

Solve -3 (r + 5) = -9 enter ur answer in the box x = __

Akayaker travels 3 miles upstream and 3 miles downstream in a total of 4 hours. in still water, the kayaker travels at a speed of 2 mph. what is the average speed of the river's current?