Ok iam under alot of stress right now please reply ?

I still live with my mom and dad go ahead and laugh I don't care and iam in college and in a basic college level math cl and I have been doing all the homework and evervything and iam not good at math my parents don't get that and iam supposed to go to universal studios on august 1st and my mom said if you don't p this cl u wont go to universal and its annoying that my parents treat me like a little kid iam on the brink of losing my mind and I got a d on the first test my mom doesn't know and iam really about to lose it I am not sure if I will p the cl and I know if I don't my parents will be mad at me iam not good at math and yet they pressure me to p and its annoying even one of my best friends treats me like a kid am sick of people treating me like a kid!what do I do to get it to stop its so much stress I can't take it I would move out but I don't have a job because no one is hiring where I live its not an excuse and I don't know how to drive I have a car and its because I have driving nerves and iam afraid to how do I get my parents to stop all this stress