Big mistake

It's been a really long time since any school work has had me as upset as this economics has me right now. I have a midterm tomorrow and I have no idea how to do half the stuff and I know it's not difficult but I just get get my head around it.
Taking this class was a very bad idea. Gah. Okay... I'm going to go clean up my room and then get some sleep and hopefully it'll all make sense in the morning.