Using the graph below, what is the best estimate of month 7's average temperature if the equation for the line of best fit is y = -13x + 111?

The estimated average temperature for 7 month is 20 °F.

Step-by-step explanation:

The given graph shows the relation between number of months and average temperature.

The  equation for the line of best fit is

Where, x is number of months and y is average temperature(°F).

We need to find the average temperature for 7 month.

Substitute x=7 in the given equation of best fit line.

Therefore the estimated average temperature for 7 month is 20 °F.

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step-by-step explanation

2r= 2300

r =1150