Find the distance between points P1 and P2.P1(-1, -4, -6) and P2(5, -2, -9)
A. 6
B. 5
C. 
D. 7
Answer: D
Mathematics
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Find the largest open interval where the function is changing as requested.Decreasing f(x) = 
A. (-4, ?) B. (-?, -4) C. (-?, 4) D. (4, ?)
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Solve the problem.At a certain company, 64.5% of the employees have engineering degrees. Express this percent as a decimal.
A. 645 B. 0.0645 C. 6.45 D. 0.645
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Multiply or divide as indicated.
? 
A. 
B. 
C. 
D. 
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Factor the expression completely.
?
?
A. 
B. 
C. 
D. 
E. 
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