The answer I would go with is A.
For this case what you should do is follow the following steps:
1) factorize numerator and denominator of both expressions.
2) cancel similar terms
3) add both fractions by cross product
4) Rewrite the numerator and denominator.
Answer:
See attached image.
Wouldn't the ratio from length to width be 8?
Answer:
36
Step-by-step explanation: