A prime number is a natural number that is larger than 1 and can only be divided exactly by itself and 1.
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Which of the following sets of numbers contains only prime numbers?
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A. { 37, 31, 35 }
B. { 28, 7, 37 }
C. { 19, 31, 37 }
D. { 7, 19, 4 }
E. { 19, 18, 31 }
Answer: C
Mathematics
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xy + 6y2 + 
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A. 
B. 
C. 
D. 
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Fill in the blank(s) with the appropriate word(s).
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Use the given information to find the exact value.sin B = - 
, 
< B < 2?; sin C = 
, 
< C < ?
Find sin (B - C).
A. 
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C. 
D. - 
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Mathematics