some recommendations.
1.) duct tape
2.) drop a class
There's simply way too much change/adaptation to be really successful except for the most dedicated. Roommates staying up at all hours, women, alcohol, freedom, finding out how the bus system works, not being able to understand foreign professors, learning how/where to study...
You can always make up a course later
3.) you'll laugh at that statement 1st year engineering is rigorous. No, no it isn't. The material is not difficult it's just the total shift from hs where you were spoonfed even in ap/honors courses. However, this realization will just come from experience.
You grow up/mature a lot in that first year of college. Keep a journal and have fun. Don't be one of those engineering majors that always stays in and then lets everybody know/bitches about how difficult their major is. You choose this so just accept it, nobody likes a complainer.
4.) This is coming from an EE/Math and hs teacher
a.) Read the material before lecture. Even better is to try some problems before the lecture. This way you'll get a deeper understanding from lecture and have good questions. Knowing what you don't know is an important skill to have. Staying on top and ahead of the material will make you really successful.
b.) As soon as you learn the material in class, practice it. Don't wait until the next day or later that night. Go to the library while it's still fresh and start working asap. Not only will this help you with time management/getting your work done, but you'll realize again what you don't know and where you need help. Practicing new material as soon as possible helps cement it into long term memory and will lead to less review/studying in the long run.
c.) Make friends with the TA's and especially your professors. Start building connections asap.
d.) Take good notes (subjective) & write down any questions you have immediately in the corners/sides of your notebook. Get those small $1 black/white notebooks. They'll fit a solid quarter's worth of material and are much easier to lug around than those huge ones.
That's good for now...