Write a numerical expression for the phrase and simplify it.Twice the product of -6 and -7, subtracted from 2
A. (2)(2)(-6 + 7); 4
B. (2 - 2)(-6 ? -7); 0
C. (2)(2)(-6)(-7); 168
D. 2 - 2(-6 ? -7); -82
Answer: D
Mathematics
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A. 
B. 
C. 
D. 
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Tell which set or sets each number belongs to: natural, whole, integer, rational, irrational, real.8.6013719....... (no discernible pattern)
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Find the rate as a ratio of distance to time. Round to the nearest hundredth where appropriate.21.6 km, 3 days
A. 21.6 
B. 3 
C. 7.2 
D. 7.2 
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