Decide whether or not the equation has a circle as its graph. If it does not, describe the graph.x2 + y2 + 6x - 18y + 90 = 0
A. no; the graph is nonexistent
B. yes
C. no; the graph is the point (-3, 9)
D. no; the graph is the point (3, -9)
Answer: C
Mathematics
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A. -59 B. -14 C. 14 D. -31
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+ 
A. 
B. 
C. 
D. 
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Provide an appropriate response.The median is a better indicator of the average than the mean.
A. True B. False
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Find the exact value of the expression.cot 
A. 2 + 
B. 
C. 
- 1
D. 2 - 
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