I just got hired at wendys in florida!?

i just got hired at wendys i was 3 hours late on my first day wich was yesterday becouse i misread the schdule so when i got there there was this real bitchy managr lady that is not the one that hired me and she sat me all alone with a computer to watch videos and she didnt tell me which ones to watch or anything im like so lost! i was there for 4 hours watching videos and i felt so unconfortable and now i work today again at 5pm and i get off at 2am i wonder what i am going to be doing today and i hope i dont get stuck with the creepy workers agin like last night! they were all cussing and stuff and i dont like that enviroment i just want to be nice and friendly and to do my job but no one will help me! can pkease someone give me some advice before i go insane and about what you do on your second day i need answers fast