Answer:
I believe it would be $866.07
Step-by-step explanation:
All you need to do is 487.78+378.29 right?
I could be wrong-
Answer:
C
Step-by-step explanation:

OR 
x=2 and 3
Hope this helps!
Answer:
1. Adjacent 2. Vertical 3. Vertical 4. Neither 5. Adjacent
Step-by-step explanation: