ext 2 math

Hello If you have any difficult questions please upload them so they go here hscquestions.com/subjects/3U/topics/good_questions Resources 3U vectors - hscquestions.com/subjects/3U/topics/vectors 3U perms and combs - hscquestions.com/subjects/3U/topics/perms_and_combs 3U binomial stats -...

How do i prove this, also am i able to assume that coeff friction ≥0?

So pretty much my school runs 4 unit math on an invite only basis and my marks arent too amazing right now. I have read from several sources that a school legally cannot stop you from doing a subject if there is enough space in the class. Is this true? I really need to get 4 unit math as the...