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At an aunt’s wedding, Nicolas collected data about an ice sculpture that was about to completely melt. A graph of his data is shown at right.

  1. Calculate the equation of a line of best fit.

    Use .

  2. Based on your equation, how tall was the ice sculpture one hour before Nicolas started measuring?

    Read this question carefully.


A scatterplot with Time in hours on the X axis and Height in inches on the Y axis. The points closely follow a straight line starting at 10 on the Y-axis and dropping down and to the right to 4 on the X axis.