Answer:
B) 120
Step-by-step explanation:
180 - 60 = 120
Hope that helps!
Answer:
2x+12
Step-by-step explanation:
We have a square patio, then each side of the patio has the same lengt. As we know the perimeter of a square is the sum of all sides. Then to know the length of the patio we just need to divide by 4 the perimeter.

Then each side of the square patio has a length of 2x+12
132, if you add four to 50, and keep going until you get to 20