Answer:
who are you not going to be at work at the
Answer:
Step-by-step explanation:
1)It should be (-4)
2) It should be (-6) Not (-2)
3) It should be 30x²
4) It should be xyz
5) It should be 
6) 16x²
7) 
8) 
9)
10) a² + b² +2ab
11) -9
12)x² - x + 0
What does 154 mean in your question?
I assume your room is a square. If so, each corner of the room has a 90 degree angle for a total of 360 degrees.
The angle that is repeated, I assumed based on your obscure question, is 90 degrees.
So, x = 90 degrees.