Solve using your rules:
180 = 9x + 4x + 37
That means 143 = 13x
Thus x = 11
Answer: 5 in.
Step-by-step explanation:
Given
The area of the square is 
The side length of the square is 
Area of square

Thus, value of a is 5 inch
Answer:
-7
Step-by-step explanation:
6 - 15 = -7