Use the method of writing each premise in symbols in order to arrive at a valid conclusion.Smiling people are happy.Alert people are not happy.Careful drivers are alert.Careless drivers have accidents.Therefore, ...
A. Careful drivers are happy.
B. Careful drivers have accidents.
C. People who smile are alert.
D. People who smile have accidents.
Answer: D
Mathematics
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Select the graph of 
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A. ?
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B. ?
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C. ?
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D. ?
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Find the value of the indicated variable for the values given.x = 
; determine x when a = 2, b = - 18 and c = - 20
A. 9
B. 
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Mathematics