There are a lot of these websites now and getting the right one to trust can be challenging. I am a student and I know how it feels to get scammed especially when it comes to exams. My advice is to avoid websites you are not sure about or at least take time and do a trustworthy check on google. Personally, I use Teratutors or sometimes I go to the homework market or Fiverr and browse rated experts there. So if you do not use just use these old trusted ones especially Teratutors because they deal directly with Academic work