Simplify:
(3y)^4 (times) y^-2
a) 1/2y^2
b) 3y^2
c) 1/81 y^2
d) 81 y^2

Samantha swam upstream for some distance in one hour. she then swam downstream the same river for the same distance in only 12 minutes. if the river flows at 4 mph, how fast can samantha swim in still water?

Explain how you can use the associative property to evaluate (7x50)x4.

Jada has a monthly budget for her cell phone bill. last month she spent 120% of her budget, and the bill was 60$. what is jada’s monthly budget