Answer:
The correct answer is: 
Step-by-step explanation:
You're using Acellus, right?
Let me guess: Algebra I?
Your question is incomplete.
Yes it’s a rational number
Answer: a
Step-by-step explanation:
√52-√13+√117
sqrt (4*13) - sqrt (13) + sqrt (13*9)
sqrt(4)sqrt(13) -sqrt(13)+sqrt(13)sqrt(9)
2sqrt(13) -sqrt(13)+3sqt(13)
sqrt(13)[2-1+3]
4sqrt(13)
Choice A