Answer:
See below
Step-by-step explanation:
r=0 means there is zero correlation between the independent and dependent variables. Most likely, some other regression model will help to bring the value of r closer to -1 or 1 to show a strong correlation.
Answer:
B
Step-by-step explanation:
The sum of the angles of a quadrilaterals is 360 so 8s=360 s=45
Circumference formula tells you

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The formula to find the area of a circle is

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