Ok sorry for the inconvenience this is the full question and i need asap

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?

What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14

Sara made $253 for 11 hours of work. at the same rate how much would he make for 7 hours of work?