The diagram shows part of a regular polygon shaded in green. The interior angle is (28x+4)°.The exterior angle is (5x+11)°.How many sides does the polygon have?The diagram is not drawn to scale.

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?