also don't stress too much about not being able to do questions, because kurt looks at your working and logic process, not your mark. I mean getting the answer is also ideal but you'll find that the exam is quite tough and time restrictive. It might be harder to get in in Year 10 but if he sees...
If you're not interested in the course then you should probably drop it, given that you have high ranks in your other subjects. It is not worth it, both personally and for your atar, unless you state rank in it. Just be prepared for how Year 12 content varies with Year 11 content (as some people...