Answer:
A
Step-by-step explanation:
Have a good day. ;-)
Answer:
The equivalent expression is 
Step-by-step explanation:
Given: 
We need to simplify the expression. We will distribute radical with each term inside the parentheses.

Distribute the radical



Now we will simplify the negative exponent.

Hence, The equivalent expression is 
3-y?
-y=-3
cancel minus both side
y=3