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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.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. Write an equation for a line of best fit. What are the units for the slope and -intercept in the equation?

  • Use .

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

  • Read this question carefully.