Find the correlation coefficient.Consider the data points with the following coordinates: 
A. -0.1696
B. 0.1696
C. 0
D. 0.1509
Answer: B
Mathematics
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Graph the given parabola.y = -x2 - 4
A. 
B. 
C. 
D. 
Mathematics
Use the power-reducing identities to rewrite the expression that does not contain trigonometric functions of power greater than 1.cos4 x
A. 
B. 
C. 
D. 
Mathematics
Find the common ratio, r, for the geometric sequence.8, 4, 2, 1, . . .
A. 2
B. 1
C. 
D. 
Mathematics
Factor completely.33x4y2 + 54x3y2 - 24x2y2
A. x2y2(x - 2)(11x + 4) B. 3x2y2(x + 2)(11x - 4) C. 3(x + 2)(11x - 4) D. 3x2y2(x + 2)(11x + 4)
Mathematics