Crackin' the Whip

I'm nearing the end of my first week back at school and I'm not happy with my class choices for this semester. I'm nervous that I'm not going to catch on or get all of my homework finished. It's different this go-round. In both of my classes, I have to post constantly to the discussion board and a large majority of my assignments are due at the beginning of the week. I am so used to having all week to get things done. I am sure I say this every time a new semester gets rolling, but I am not confident about this.