If I am taking courses at a community college in my senior year to trasfer to college, do i have to if I dont get the grade I want and just take the class over in college?
You need to have your CC transcript sent to the colleges you are applying to, along with your HS transcript.
Once you are accepted and decide where you will go this fall, you will need to send your final HS transcript after graduation, and your final CC transcript at the end of the last term that you are enrolled there.
The college you attend will decide for itself which CC classes transfer and as what. It is possible that none of them will transfer. Sometimes just the courses transfer and all that matters is that you passed the class. Sometimes the original grades get recorded on the new college’s transcript as well. You can ask each place where you’ve applied what their transfer credit policy is.