30%of the cars sold by car dealer a were blue. 50% of the cars sold by car dealer b were blue. which statement must be true

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Use set buikder notation to represent the following set: {, -2, -1, 0}

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?