Answer:
Explanation:

Use the order of operations.
Note: PEMDAS or BODMAS stands for:
PEMDAS
- Parentheses
- Exponents
- Multiply
- Divide
- Add
- Subtract
BODMAS
- Brackets
- Order
- Divide
- Add
- Subtract
First, do parentheses.
3+6*(5+4)รท3-7
(5+4)=9

Do multiply and divide.
6*9=54
54/3=18
Then, rewrite the problem down.

Add.



- Therefore, the correct answer is "C. 14".
I hope this helps, let me know if you have any questions.