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MeasurementsArm spanHeight6065575958596360626161636764676670677068746974791.Height is on the x axis and arm span is on the y axis.2.(59,57), (63,61) 61-57/63-59= 5/9 5/9 is the slope chose a point and put it into point-slope formy-57= 5/4(x-59)y-57= (5/4)x-73.75y=(5/4)x-16.75 is the slope-intercept form of the line.3.The line represented by the equation is the average of all the 11 people. The slope means for every unit inch more of height, your arm length is one unit longer.