Evaluate the expression.
A. 12
B. 6
C. 24
D. undefined
Answer: C
Mathematics
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Given f(x) and g(x), find the sum or difference as indicated.If f(x) = 12
and g(x) = 3x
, find f(x) - g(x).
A. 9
B. 9x
C. 15
D. 9x
Mathematics
Find the center of the hyperbola.
- 
= 1
A. (-5, -2) B. (-1, -2) C. (-2, -5) D. (2, 5)
Mathematics
Evaluate.9 - x2 for x = -7
A. 23 B. -5 C. -40 D. 58
Mathematics
Solve the problem.The Family Arts Center charges $21 for adults, $13 for senior citizens, and $7 for children under 12 for their live performances on Sunday afternoon. This past Sunday, the paid revenue was 
for 806 tickets sold. There were 44 more children than adults. How many children attended?
A. 286 children B. 282 children C. 272 children D. 238 children
Mathematics