Which of the following is an example of contract cheating Behaviours?

Contract cheating is when a student contracts someone else to do their work for them. Some examples include asking a friend to write an assignment, buying an assignment from a website, or paying someone to sit an exam. This is a very serious breach of academic integrity.

Is it cheating to buy notes?

buying, selling or trading notes (but be aware this behaviour may lead to contract cheating so be careful) sharing your past assignments with others (be aware that this can lead to others using your work to contract cheat which makes you a party to contract cheating and you may receive an academic penalty)

Is doing homework together cheating?

Certainly if both students truly both are doing their own homework and are truly only helping each other, it’s not really cheating. The only way it’s always cheating to collaborate like the first case is if it’s completely forbidden by the specific teacher to work together at all.