I'm guessing you mean:

If not, correct me.
So, then the perimeter of a square is just 4*A, which in this case would be:

And that would be your answer:

units²
Answer:
600
Step-by-step explanation:
Answer:
the 2nd one
Step-by-step explanation:
I took the Quiz
Answer:
A
Step-by-step explanation:
She should have added 25 to each side in order to cancel it out.