Decide whether the argument is valid or invalid, and give the form (of valid or invalid argument) that applies.If you wear a tie, then you look natty.
You are not wearing a tie.
A. Valid; modus tollens
B. Valid; disjunctive syllogism
C. Invalid; fallacy of the converse
D. Invalid; fallacy of the inverse
Answer: A
Mathematics
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Perform the requested evaluation.Given f(x) = (x - 9)2, find f(8).
A. 289 B. -1 C. -2 D. 1
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Divide, if possible. Write the answer in simplest form.
÷ 
A. 
B. 17
C. 16
D. 18
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Use the product and quotient rules, as necessary, to simplify the radical expression.
? 
A. 
B. 
C. 
D. 
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Determine whether the points A, B, C and D form a parallelogram.A(-3, 6); B(0, 9); C( 2, 1); D(5, 4)
A. Yes B. No
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