Please answer correctly. Make it fast please.

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?

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.