Express in terms of i.

A. 2 i
B. -2
C. 2
D. -2 i


Answer: A

Mathematics

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Write the following as a rate in lowest terms.102 miles on 9 gallons

A.  
B.  
C.  
D.

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For the proportion, find the unknown number n. = 

A. 1
B. 1
C. 2
D.

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Solve the problem.Round 11.1647 to the nearest hundredth.

A. 11.165 B. 11.17 C. 11.164 D. 11.16

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Determine the number that should be added to complete the square of the expression. Then factor the expression.x2 + 12x

A. -6; (x + 6)2 B. 36; (x + 6)2 C. 36; (x - 6)2 D. 6; (x + 6)2

Mathematics