0.9 is the answer put it in the calculator and it will show you
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It seems appropriate to use the linear regression function of your calculator for this. Looking at the data, you know the slope is generally positive, so only the 1st and 3rd choices are potentially viable.
A calculator shows the correlation coefficient (r) rounds to 0.816, so the appropriate selection is ...
A. 0.816
Here's the link for the image: http://assets.openstudy.com/updates/attachments/5507589de4b01982d6668698-winsteria-1426544809579-ms_......
The correct is this one: "d. 3(9) + 7(5)." Lisa divided the irregular polygon into 2 rectangles with a line. The <span> expression that can be used to find the area of the irregular polygon is 3(9) + 7(5). That will give you the total are of the two rectangles.</span>
Answer:
429
Step-by-step explanation:
y=3+6×(n-1)
n=72
y=3+6×(72-1) = 429