Answer:
great
Step-by-step explanation:
Answer:
C!!!!!! :She made a mistake when finding the additive inverse of (7n2 – 5n + 6).
Step-by-step explanation:
i just did the assignment on edge
Answer:
B 
Step-by-step explanation:
In order to get the same denominator, we need to multiply the second fraction by (b+2) in the numerator and denominator.
We will end up in something like this :
I just timed the second fraction by b+ 2 and then i added them together.
Therefore, we will get 
now factoring the numerator we will end like this

we will then end up with the answer.
Hope this helps.
The answer would be positive