Answer:
It is considered to be a bit disrespectful to write to a teacher in an unprofessional, casual manner, the way you would a friend because you aren't close on a personal level. Of course it depends on the teacher and subject of the letter/email/etc. as well.
We need the passage to answer. If tou can take a pic
Idk I think it could be C
The answer to this question is c
I'm homeschooled so I can do this one. Traditional classroom you have a teacher to ask for questions and you have people to talk to in general and online school you are by yourself with no one to ask when you need help