Find the equation of the least-squares line for the given data. Draw a scatter diagram for the given data and graph the least-squares line.
x123456y4.55323.51?
Please round the coefficients in your equation to two decimal places.
?
A. ?
B. ?
C. ?
D. ?
Answer: B
Mathematics
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Find the area.
A. 405 in.2 B. 200 in.2 C. 250 in.2 D. 810 in.2
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Find an equation for the ellipse. Graph the equation.Foci at (4, 7) and (4, 1); length of major axis is 10
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Solve the system by addition. 7x - 35 = 8y 3x + 5y = -44
A. {(-4, -6)} B. ? C. {(-3, -7)} D. {(-3, -6)}
Mathematics
Answer the question.True or False: The graph of the equation y = 14 is a horizontal line.
A. True B. False
Mathematics