Identify the conic by writing the equation in standard form.
?

?

A. ?; ellipse
B. ?; hyperbola
C. ?; hyperbola
D. ?; hyperbola
E. ?; ellipse

Answer: D

Mathematics

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Perform the operation and give the answer in the same numeration system. Write the answer as simply as possible.Subtract MDCCCVII from MCMXIII

A. CVI B. LXI C. MCCVI D. MDCCVI

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Solve the system of equations.7x + 7y + z = 1  x + 8y + 8z = 89x + y + 9z = 9

A. (1, -1, 1) B. (0, 1, 0) C. (-1, 1, 1) D. (0, 0, 1)

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Solve.A printing company charges $2.1275 for each color flyer it prints. What would be the cost (before tax) for printing 250 color flyers? (Round the answer to the nearest cent.)

A. $53.19 B. $531.88 C. $556.88 D. $55.69

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Simplify. Assume that all variables represent any real number.

A.
B. x
C. -x
D. -

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