Twenty rubber spheres were compressed with varying amounts of force. The widths and heights of the resulting shapes were measured. Here is a scatter plot that shows the measurements for each sphere. The vertical axis of the scatter plot would be labeled vertical

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If i'm correct the answer is $15.97

Abit confused about what you mean, but i think you might be referring to slope intercept form: y = mx + bin that case b, or the y intercept is already given.(0,-1)find the slope by using the formulay2 - y1/x2 - x1the final slope will be 4/2, equivalent to 2.now your equation should look like thisy = 4/2x -1sorry if this didn’t you out!