Write an equivalent sentence for the statement.If you are mistaken then you are wrong, and if you are wrong then you are mistaken. (Hint: Use the fact that 
is equivalent to 
A. You are mistaken or you are wrong.
B. You are mistaken if you are wrong.
C. You are mistaken if and only if you are wrong.
D. You are mistaken and wrong.
Answer: C
Mathematics
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Solve.The total current flowing through a particular circuit is given by 
, where V represents voltage and R represents resistance. Simplify this expression.
A. 
B. VR(R - 8)
C. 
D. 
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Find the exact value of the composition.sin 
A. 
B. 
C. 
D. 
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Subtract and simplify. Write the answer as a mixed number if possible.18
- 5
A. 12
B. 13
C. 12
D. 12
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Insert <, >, or = in the blank to make the statement true.|-20| _____ -20
A. < B. = C. >
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