I'm kind of stuck with whether to go through the HSC with 12 units (Adv Eng, 4unit maths, Pdhpe, Chem, Physics) is that too much? Or should i stick with doing 11 units (Adv. Eng, 3 unit maths, pdhpe, chem, physics) ? I'm really worried cause everyone i've talked to says that you've got to put...