Express the number as the ratio of two integers.0.868686 . . .

A.  
B.
C.  
D.  


Answer: C

Mathematics

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Solve.log2(8)-1 = x + 7

A. -10 B. 4 C. 10 D. -9

Mathematics

Solve the problem.In the following voter profile, use the Pairwise Comparison Method to determine the winner. If candidate c drops out, and a second election is held, who is the winner if the Pairwise Comparison Method is again used? Does the Pairwise Comparison Method violate the Independence of Irrelevant Alternatives Criterion in this election process? 

A. a; a, no B. b; a, yes C. a; b, yes D. b; b, no

Mathematics

Perform the operations.  

A. 19 B. 16 C. 144 D. 17

Mathematics

Find u ? v.u = i + 2j, v = 6i - j

A. 8 B. 4 C. -4 D. 0

Mathematics