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What is the distance between (–2 1/2,-3) and (1, –3)?

The given dot plot represents the average daily temperatures, in degrees fahrenheit, recorded in a town during the first 15 days of september. if the dot plot is converted to a box plot, the first quartile would be drawn at __ , and the third quartile would be drawn at link to the chart is here

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0