Evaluate the expression.7C7
A. 1260
B. 0.5
C. 5040
D. 1
Answer: D
Mathematics
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Perform the indicated operation.8 ? 92 - 6(5 + 8) - (-5)
A. 11,556 B. -565 C. -11,556 D. 575
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Find a general term, an, for the given terms of the sequence.1, 
, 
, 
, 
, . . .
A. an = (2)1-n
B. an = 
C. an = 
D. an = 
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Find the center and radius of the sphere : x² + y² + z² -4x + 4 - 8y = 0
 figure 1.png)
Mathematics