Add or subtract as indicated. Express the answer as a single polynomial in standard form.(3x7 - 6x4) + (6x7 - 9x4 - 2)
A. -2x - 15x7 - 5x4
B. 3x7 - 6x4 - 2x
C. -11x12
D. 9x7 - 15x4 - 2
Answer: D
Mathematics
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Find the indicated probability.The table below describes the smoking habits of a group of asthma sufferers.
If one of the 1079 subjects is randomly selected, find the probability that the person chosen is a nonsmoker given that the person is a woman.
A. 0.711 B. 0.49 C. 0.495 D. 0.348
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The graphing calculator screens show a system and the point of intersection. Choose the screen which best represents the given system.3y + 3 = 2xy = -3
A. 
B. 
C. 
D. 
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Find the values of x for which the expression is a real number.
A. 
? 
B. 
? 
C. 
D. 
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Determine whether the statement is true or false.? > 3
A. True B. False
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