The graph shows the number of fatal automobile accidents in a certain state for various years. Estimate the total number of accidents in the 8-year period from 2011 to 2019 using rectangles of width 2 years. Estimate the number of fatal accidents using left endpoints. Estimate the number of fatal accidents using right endpoints. Find the average between the estimations. Fatal collisions per year 4000 3452 3500 3562 3000 2500 IKT 2000 2402 1500 1000 500 2011 2015 Year 3621 2431 201

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A:

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A: Given:       Negative four times a number decreased by nine is greater than negative thirteen.

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A: We can answer both the question as below