Answer:
<em>m</em> = 6
Step-by-step explanation:
Slope Formula: 
Simply choose 2 points and plug them into the formula to find slope<em> m</em>:
(1, 20)
(2, 26)


<em>m</em> = 6
3 , 4 and 6 are not correct
<span>Linear regression is a method of finding the linear equation that comes closest to fitting a collection of data points.
</span>The better the choice of line, the closer the predicted values will be to the observed values.
The differences between the data pints (observed values) and the estimated (pedicted) regression line is called the <span>residue.
</span>Residue = Observed Value -<span> Predicted Value</span>
He has a total of $58.19.
1 day = $2.74
58.19/2.74
21.24
You can't have 21.2 days, so you need to round down to 21.
Jim can buy lunch for 21 days before he runs out of money on his account.