Compute 
algebraically for 
.
?
Fill in the blank(s) with the appropriate word(s).
10
Mathematics
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Solve the problem.Find the centroid of the infinite region in the first quadrant bounded by the coordinate axes and the curve 
.
A. 
= 
, 
= 
B. 
= 
, 
= 
C. 
= 
, 
= 
D. 
= 
, 
= 
Mathematics
Assume that a sample of bivariate data yields the correlation coefficient, r, indicated. Use the critical values table for the specified sample size and level of significance to determine whether a linear correlation exists.r = 0.672 when n = 18 at ? = 0.05
A. Yes B. No
Mathematics
Multiply.(-9x3)(2x6)(8x4)
A. 144x72 B. -144x13 C. 144x13 D. -144x72
Mathematics
Find all specified roots.Cube roots of 8
A. 2, -1 + 
i, -1 - 
i
B. 2, 1 + 
i, -1 - 
i
C. 2, -1 - 
i, 1 - 
i
D. 2, 1 + 
i, 1 - 
i
Mathematics