Round the number as indicated.6863 to the nearest thousand
A. 6890
B. 7100
C. 7000
D. 8000
Answer: C
Mathematics
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Solve the problem.An auditorium has 25 rows, with 10 seats in the first row, 12 in the second row, 14 in the third row, and so forth. How many seats are in the auditorium?
A. 900 B. 550 C. 500 D. 850
Mathematics
Use Cramer's Rule (if applicable) to solve the system of equations.
A. {(2, 8)} B. {(-2, -8)} C. {(8, 2)} D. {(-8, 2)}
Mathematics
Solve the problem.The number of mosquitoes M(x), in millions, in a certain area depends on the June rainfall x, in inches: 
What rainfall produces the maximum number of mosquitoes?
A. 0 in. B. 2 in. C. 16 in. D. 4 in.
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Factor completely.x2 - 10xy + 25y2
A. (x - 5y)(x + 5y) B. (x + 5y)2 C. (x - 5y)2 D. Prime
Mathematics