Answer:
work is attached and shown
Answer:

Step-by-step explanation:
Given expression : 
Solving further :


So, 
So, The given expression is equivalent to Option A
So, Option A is the answer
(y^-5) / (y^-2)
Flip fraction and get rid of the negative from the exponents (you can do that!)
(y^2) / (y^5)
(y * y) / (y * y * y * y * y)
Cancel y's
1 / (y * y * y)
1 / (y^3)
That's your answer.
Have an awesome day! :)