Write an expression to represent the perimeter of: 2a-3 2a 3a+1

Use the data on the dot plot to answer the question.how many people read for more than three hours last week? i'm on a unit test review

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?

X/y + 4y/x divided by x/y - 2y/x explain as in depth as you can how you simplfied the fractions. i don't know where to start on this : /