Solve.-3a = -18

A. 6
B. 15
C. -15
D. 2


Answer: A

Mathematics

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Provide an appropriate response.Starting with a tone having a frequency of 193 cycles per second, find the frequency of the tone that is two octaves higher.

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Decide whether or not the set of ordered pairs defines a function.{(-3, 5), (-2, -9), (3, -8), (3, 6)}

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Determine if the given ordered triple is a solution of the system.(-3, 1, 3)  x + y + z = 1  x - y + 2z = -44x + y + z = 10

A. solution B. not a solution

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Find all specified roots.Fifth roots of 1.

A. 1, cis , cis , cis , cis 
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C. 1, cis , cis , cis ,-1
D. -1, cis , cis , cis , cis 

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