The answer is log(b^13 y^7 X^6).Hope this helps!!
Answer:
Correct choice is A
Step-by-step explanation:
Note that the denominator
Then rewrite the numerator
as 
Substitute both expression into the initial expression:

Answer:
D
Step-by-step explanation:
they are like terms
Answer:
5
Step-by-step explanation:
the degree is 5
As degree means the largest exponent of a term