Depends on what it is, because highlight your notes, write everything on the board, pay attention, make note cards, look over everything at night you need to prepare for class<span />
For 2.a the table is linear and the difference is 0.5
For 2.b the table is non- linear because if you divide y from x for each pair then it should all be the same number but it`s not.
It's B because she has a kind and a cruel personality.
He had many manners and he was always lending his money out to people for any apparent reason just to try to beat someone in a bet.