down 3 unit mean -3 outside root
right 2 unit mean -2 inside root,
so the answer is

Answer:
She's been charged 84 dollars
Step-by-step explanation:
Let's call each month m
if every month it deducts 7 dollars, then to find how much has been charged after a year, we do
-7 * 12 = -84
It would be 40 Because there are 9 square feet is equal to 1 square yard
Aida did not correctly divide by the common factor to get (4+8).