Find the correlation coefficient.Consider the data points with the following coordinates: 
A. 0.5370
B. -0.0781
C. 0.0537
D. 0.2245
Answer: C
Mathematics
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Find the equation in general form of the circle with center at the origin and 
.
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Find the value(s) of the variable for which the rational expression is undefined.
A. 6, -3 B. 0, 6, 3 C. 0, 6, -3 D. 6, 3
Mathematics
Find the real solutions of the equation.
= -2
A. {-32} B. {33} C. {-33} D. {32}
Mathematics
Pluto moves in an elliptical orbit with the sun at one of the foci. The length of half of the major axis is 
kilometers, and the eccentricity is 0.2488. Find the perihelion distance of Pluto from the sun. Round your answer to the nearest kilometers.
?
A. 7,375,412,800 kilometers B. 4,436,587,201 kilometers C. 4,436,587,200 kilometers D. 8,873,174,399 kilometers E. 8,873,174,401 kilometers
Mathematics