Answer:
8
Step-by-step explanation:
-14a-5=-12
+5 +5
-14a=-7
Divide -7 by -14a
a=2
Here is the answer for the 1st one. I have a picture of the second one but I’m not sure if I can post the picture of it
Answer is square with the side of 212 inches. It's area is 212×212 which is bigger than rectangular area.