Please help! I’ll give points if it’s correct! Simplify each expression

30. (3/8)^2

32. (3x/y)^4

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?

What is the solution to the equation e3x=12? round your answer to the nearest hundredth

Erinn wrote the equation –5x + 4y = 32 to represent her hourly wage (y) and how this wage has changed during each year that she worked at a company (x). what is the rate of change in erinn's hourly wage per year?