Most Helpful Girl
She wants to apologize. I would seriously consider ignoring her for another day or two, she needs to be aware that slapping you is unacceptable and that she can't expect to get physical with you and be easily forgiven. Go contact for a 24-48 hours, ignore her calls and don't let her in your house.
Most Helpful Guy
What was the fight over if you don't mind me asking? Some girls need to learn that it is not acceptable to do some of the things they do just because they are mad.