HL math
Eng, Phy, Math SL Chem , Hindi , Eco HL
It is 1 hour long (2014 exam).
Are you sure you can drop math? I think you would be getting a non IB diploma. You can take higher level or standard level, but if you don't take the IB course my understanding is you wouldn't get the diploma. I am not aware of IB online. You might try going to the official IB site.
International Baccalaureate (a degree).
It is 1 hour and 15 minutes long (2014 exam).
It is 2 hours and 15 minutes long (as for 2014 exams).
Just about anything. Start with "to what extent".
IB has a different curriculum to VCE, IB is more known world wide and can get you an easier enter score. Although IB is a bit harder than VCE but in the end, it's all worth it
I.B Kakar has written: 'Modern secondary physics'
Somewhere between a 5-7 depending on how well you test and the internal assessments. As I understand it, Calculus AB is more in depth on calculus subjects than ib math but there are more topics in ib math.
I( think they go for more traditional ways, so they mostly prefer a levels although they so like to see high achievers in IB too, but IB is harder work, so take a levels!!!