Find the nonreal complex solutions of the equation. Write your answer in standard form.m2 = -63
A. {±3
}
B. {±7
}
C. {±3i
}
D. {±7i
}
Answer: C
Mathematics
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Solve the problem.Find the centroid of a hemispherical shell having outer radius 9 and inner radius 7 if the density is constant.
A. 
= 0, 
= 0, 
= 
B. 
= 0, 
= 0, 
= 
C. 
= 0, 
= 0, 
= 
D. 
= 0, 
= 0, 
= 
Mathematics
Find the equation of the circle from the given information.Center at (0, 7), radius 2
A. (x + 7)2 + y2 = 4 B. x2 + (y + 7)2 = 2 C. x2 + (y - 7)2 = 4 D. (x - 7)2 + y2 = 4
Mathematics
Solve the problem.In the weighted voting system 
, the smallest possible value that the quota q can take is
A. 46. B. 23. C. 22. D. 31. E. none of these
Mathematics
Use the product rule to simplify the radical.
A. 4
B. 3
C. 6
D. 2
Mathematics