Match the system of equations with one of the graphs.x2 - y2 = 121x2 + y2 = 81

A.

B.

C.

D.

Answer: B

Mathematics

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A. e1/2 - 1
B. 5e?/6 
C. ?
D. 5e?/6 - 5

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Evaluate the geometric series or state that it diverges.1 + (-7) + (-7)2 + (-7)3 + (-7)4 + . . .  

A. diverges B. 49 C. 7 D. 70

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Find the number of terms in the sequence or the sum of the sequence as requested.Find the following sum: 5 + 405 + 805 + . . . + 4005

A. 22,050 B. 22,060 C. 22,055 D. 18,045

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Find (x).

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