Answer: A negative
Step-by-step explanation:
The opposite of a negative is positive, the opposite of a positive is a negative.
Answer:
E
b-a-d-g-a-e
Step-by-step explanation:
Answer:

Step-by-step explanation:
In order to resolve correctly this combined calculation, we need to resolve it in order:
First, the operation in parenthesis. Secondly, the powers. Then multiplications and divisions, and after all, substraction and adittion.
So, we first resolve the parenthesis: 
We multiply 12 by 2, and 3 by 1. The result is 
Then we resolve the powers:

Thirdly, we resolve the multiplications:
= 72
And finally, the addition:
16 + 72 - 7 = 81