If the cops check your phone records which I highly doubt unless you give them a reason to.
The cops can read your texts
It's not illegal to text them but if the text has anything to do regarding sex or threats etc it is illegal.
Yes, it is illegal to text and drive in North Carolina.
no
no it isn't
You don't.
No, it is not illegal, but it is extremely annoying.
No, it is no more illegal for a teacher to text a student than to email a student. It would be inappropriate for such to happen without the prior knowledge of the parents of the student, but not illegal.
Harrassment by phone is illegal, so yes, it is illegal.
No
It means call of duty