I agree with the answer above
From the wording of your question, especially the words "the following", I'm pretty sure you're looking at a list of choices that you're not sharing. There's no way that anyone can pick the right one if he can't see the list.
A law stating that as the price of a good increases, the quantity demanded of the good decreases, and that as the price of a good decreases, the quantity demanded of the good increases.
Chief justice writes the court's opinion.
Chief justice presides also over the trial in the Senate. Also has a ceremonial duty of administering the oath of office of the President.
