Solve the problem.The following table shows the average number of practice hours per week, for a sample of professional golfers, along with their average tournament scores per round. 
Determine the correlation coefficient for the hours practiced per week and the average score per round.
A. -0.8841
B. -0.8633
C. -0.8745
D. -0.8984
Answer: B
Mathematics
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Use polar coordinates to find the limit of the function as (x, y) approaches (0, 0).f(x, y) = cos
A. 1
B. 0
C. 
D. No limit
Mathematics
Provide an appropriate response.Calculate the greatest possible error for the measurement 3.09 cm.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Write the equation of a line through the given points in slope-intercept form.(2, -4), (0, 7)
A. y = x + 7
B. y = 
x + 7
C. y = - 
x + 7
D. y = -x + 7
Mathematics
Solve.x2 + xy + y2 = 28x + y = 2
A. (5, -3), (-5, 7) B. (6, -4) , (-4, 6) C. (6, -4) D. (-4, 6)
Mathematics