Plzzz chat with me I m bored

Its worth 10000000 points need asap if you answer correctly ill mark brainliest

Which question is not a good survey question? a. don't you agree that the financial crisis is essentially over? 63on average, how many hours do you sleep per day? c. what is your opinion of educational funding this year? d. are you happy with the availability of electronic products in your state?

Write as a product: ac^2–ad+c^3–cd–bc^2+bd