A opinion is a view, judgment, or appraisal formed in the mind about a particular matter and a informed opinion is a belief, judgment or way of thinking about something based on information. So the difference between them is an opinion is based off of particular matter. While and informed opinion is a judgment based off of information you have.
True. a rhetorical question is a question that doesn't require an answer, and usually when someone asks "You're kidding me?", or "Are you kidding me?" it's usually said in exasperation, where there is no answer required.
