Find the center and the radius of the circle.y2 + 20y + 100 = 8x - x2 - 7
A. (3, 10); r = 5
B. (4, 12); r = 6
C. (4, 11); r = 4
D. (4, -10); r = 3
Answer: D
Mathematics
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A. 10,080 sec B. 25,200 sec C. 1,512,000 sec D. 604,800 sec
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Subtract. Use borrowing, if necessary.
A. 783 B. 567 C. 667 D. 657
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Solve the problem.The number of Hamilton circuits in K11 is
A. 11!.
B. 11.
C. 10!.
D. 
.
E. none of these
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Simplify the expression.- 
+ 
A. 
B. - 
C. - 
D. 
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