-
those AP classes give the students a little jump on registration. Depending on the major, they may or may not count for anything.
-
I don’t know anything about that program but it might be beneficial for you to become acclimated to the program and take a course. It will cost you for housing and coursework. http://summer.berkeley.edu/special-programs/freshman.
-
The SAT and TOEFL tests get you into the university. They won’t satisfy any class requirements.
-
Foreign language is something that is foreign to you. That might be English?