Question: how do i know if my prayer is answered?
Answer: You practice righteousness. “Therefore confess your sins to each other and pray for each other so that you may be healed. ... 
You are faithful. ... 
You don't have any doubt. ... 
You have patience. ... 
What you ask is according to His will. ... 
You do not ask with wrong motives. ... 
You follow God's commandments and teachings. ... 
You are humble.