The graph below shows the line of best fit for data collected on the number of cell phones and cell phone cases sold at a local electronics store on twelve different days. which of the following is the equation for the line of best fit? a: y = 0.25x b: y = 0.5x c: y = 0.8x d: y = 0.2x

C

Step-by-step explanation:

The equation of a line is given by

and

slope (m) is given by:

Where (x_1,y_1) are the first set of point in the line and (x_2,y_2) is the second set of point

Let's take 2 points arbitrarily. (0,0) & (25,20)

Let's plug it and find the equation:

Now

C is the correct answer.

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step-by-step explanation:

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step-by-step explanation:

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