Hello, so ever since I entered University, my grades have been low. I got dismissed from my University and I always had the habit of slacking off, except for my Freshman year. I only slacked off a little in my Freshman year, but after that it got worse and worse. I am trying to pull myself together. My grades in Math and Physics have either been C/C-s and Fs and now I have taking electricity and magnetism for engineering physics at a community college and Heat/Waves/Optics/Thermodynamics Physics (all one course). The thing is I don't recall much Calculus (just simple derivatives and simple integrals, not the difficult ones), and I don't recall much of Mechanics Engineering physics. My exam for the thermodynamics/heat/waves is in 9 days and I do not know how to prepare for this. I tried, but I feel like formulas are being pulled out of thin air. I literally don't know what is going on. Please do not tell me to drop, because I really need these courses to get back into my University. What is the best I can do to get the best score possible in both classes ( I think my exam for electricity/magnetism is a week after my Thermo. physics class exam? What should I go over in mechanics and calculus? What about the formulas that seem like they are being created by the problem solver. It's just confusing to me. I don't know what to do. I'll admit I haven't put my best effort, but how can I do well on these exams if my educational background sucks? Everyday just trying to learn physics seems hopeless, because I do not understand it.