Can I use a CB book from 2006 to study?

<p>My brother handed it down to me…and unsurprisingly, he didn’t even use it.</p>

<p>by all means, go ahead :frowning: the worst thing that could happen is drop your score 300 points :(</p>

<p>Uhhh…thanks? o_O I don’t know if that’s a yes or a no…</p>