Solve.The roof of a building is in the shape of the hyperbola 
where x and y are in meters. Determine the distance, w, between the outside walls.A = 11 m
A. 79 m
B. 8.9 m
C. 17.8 m
D. 12.8 m
Answer: C
Mathematics
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Round following numbers as indicated.7.767 (nearest hundredth)
A. 7.76 B. 7.77 C. 7.78 D. 7.767
Mathematics
Find the exact value of the expression.
A. -2
B. - 
C. -
D. - 
Mathematics
Solve the problem.A national poll showed that 4 out of 7 registered voters planned to watch the presidential debate. Another national poll conducted by a different organization showed that 360 of 630 registered voters planned to watch the presidential debate. Is the number of voters who plan to watch the debate proportional to the number of voters in the poll for these two different polls?
A. No B. Yes
Mathematics
Perform the indicated operation.
- 
A. 
B. 
C. 
D. 
Mathematics