Answer:

Step-by-step explanation:
First, you add 66 to both sides so then the equation you are trying to solve will be: 
Finally, you simplify and get: 
Hope this helped!
Its already in simplest form its already right
Answer:
Strong positive correlation
Step-by-step explanation:
The given scatterplot, where the data points are sloping upward:
The stronger the association of the two variables, the closer the Pearson correlation coefficient, <em>r</em>, will be to either +1 or -1 depending on whether the relationship is <em>positive</em> or <em>negative</em>, respectively.
If the value of the correlation coefficient is 0 < <em>r</em> < 1 then there is a positive linear trend and the data points are scattered around the line of best fit; the smaller the absolute value of <em>r, </em>the less well the data can be visualized by a single linear relationship. The closer the value of r to 0 the greater the variation around the line of best fit.
In the attached screenshot, where I've drawn a line across the graph: it shows that the data points are clustered around the line. It is easier to estimate that the value of <em>r </em>is closer to 1, which implies a strong positive relationship between two variables. My estimate is that <em>r</em> = 0.8.
Therefore, the correct answer is Strong Positive association.
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1 lb for 2.50
3 lbs for 4.25......4.25/3 = 1.42 per lb
5 lbs for 7.20......7.20/5 = 1.44 per lb
10 lbs for 15........15/10 = 1.50 per lb
The better deal (the cheapest one) = 3 lbs for 4.25 <==