Answer:
A -9
Step-by-step explanation:

In both the sets, 3 and m as well as n can be found as common factors.
So,
3mn( m+4n)
Therefore the answer is 3mn (#3)
KAJAISJAKAHWJ 56791827282292881811827 mIllOn
Answer:
A. 7ac(^4sqrt. ab^2)
Step-by-step explanation:
just took the quiz on edg.
The answer is D) because C) and B) are biased and would not be reasonable and A) has no guarantee of every third child being 12.