Answer:
2) Add 21 to both sides
Step-by-step explanation:
When solving 
for 
, our goal to isolate such that we have set equal to something.
Therefore, we want to start by adding 21 to both sides. This leaves us with 
and we are one step closer to isolating .
not possible because the area of a square is always a square of it's length and a square cannot be a prime number
I’m guessing 2 cups or something idk
Answer: 3 cofficients are there ( 5, 2, and 6).
