Since we're British Columbian, we follow the BC's Mathematics Cirrculum.
Therefore, students and everybody committing to us should expect to know the following Topics:
Warning! warning! Warning! warning!
Our notes, vidoes, Questions and Answers are not in anyway shapes or forms the same with the ones your teachers have. So, take the concepts or ideas, but any works.
I've been and still is a student and I know many at times, students copy whatever they find on the internet.
If this is you, then you're going to a by-stander in life. NB: Do what is hard, so that your life(ves) becomes simple.
If you can't work it out by yourself, don't copy it. Yes, it's that simple. Reason being, you're only fooling yourself. Not your parent(s) or teacher(s).
Regret: When you leave school(s), you'll regret being lazy, taking the easy way out, 'cause School isn't about grades, but life and death.