Yes they will be notified
When someone adds you as a friend on Facebook, you have the option of accepting their friend request. When you send out a friend request, you are notified by Facebook if that request has been accepted.
yes,Facebook send email notification if you can cancel a friend request.
No, there is no way they will know you ignored their request.
No, they are not. Feel free to delete with reckless abandon!!
Yes, they will see that they are not your friend any more. Or that your not on there friend list, but they will not be notified.
Your friend has to accept it
send a private message to her, that accept ur friend request.
You go to your notifications and then look for the friend request. :-)
Than you accept. :D
No. But if they don't get a confirmation that you accepted them, they'll figure it out alone...
No. They can choose to "ignore" your request.
select a friend and then send request