Describe the given set of points with a single equation or with a pair of equations.The circle of radius 3 centered at the point (7, -6, 6) and lying in a plane perpendicular to the 
A. (y + 6)2 + (z - 6)2 = 9 and x = 7
B. 
2+ 
2+ 1 = 9
C. (y + 6)2 + (z - 6)2 = 9 and y + z = 0
D. 
2 + 
2 = 9 and x = 7
Answer: A
Mathematics
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A. 2i, - 
- i, 
- i
B. -2i, 
- i, 
- i
C. -2i, 
+ i, 
+ i
D. 2i, - 
+ i, - 
+ i
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A. 3.3 × 10-3 B. 3.3 × 103 C. 3.3 × 10-4 D. 3.3 × 104
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and 
Find 
A. 3 B. 30 C. 28 D. 2
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