I recommend you to try found a professional team!
Lorenso
Users receive reputation points by contributing quality content to the forums.
Posts include post and replies published on the forums.
Post authors can mark replies as Accepted to indicate successful solutions.
Apple Developer Forums admins can mark replies as Apple Recommended to indicate an approved solution
Post
Replies
Boosts
Views
Activity
I recommend read more about your question in this blog
I recommend you read more about authentication and authorization. For example view this review
But as for me would be better use only one service https:/assignmentyoda.com/math/pre-algebra-homework-help
Thanks for share this.