Solve the equation and state the solution set. +  = 

A. {14}
B. {9}
C. {7}
D. {12}


Answer: A

Mathematics

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Determine whether or not one or more pairs of twin primes exist between the pair of numbers given. If so, identify the twin primes.81 and 100

A. 89, 91 B. 83, 85 C. 91, 93 D. No

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Use the standard normal curve table to find the closest z-score for the given condition.3.0% of the total area is to the right of z.

A. 1.88 B. -1.89 C. 1.89 D. -1.88

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Use reference angles to find the exact value of the expression. Do not use a calculator.sin 

A.
B. - 
C. -1
D. - 

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Solve using the multiplication principle.2x = 14

A. 28
B.
C. 12
D. 7

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