<span>One should be patient and gather facts before one misinterprets them.
Cassius sees Titinius go down to fight and misunderstands the situation. He thinks that Titinius has been captured and killed because of Pindarus' false report, so takes drastic measures to have Pindarus hold his sword so he can fall on it, dying. </span>
#1 I would not cheat and change the grades since this is unethical, and this may leave you with guilt and depression.
#2 You would take it to the lost and found since this is the ethical thing to do, as well as the safest way to handle this situation.
#3 I would not plagiarize since this is not my work, and because it is not my work, I can get into major trouble if I do plagiarize, like suspension or even expulsion.