Construct a truth table for the statement.r ? (r ? ~r)
A. 
| T | T |
B.
| T | F |
C.
| T | T |
D.
| T | F |
Answer: C
Mathematics
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Convert between English and Metric System of Units.
44 mph = 
km/h (Round to the nearest thousandth.)
A. 70.796 B. 27.346 C. 24.444 D. 79.596
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Provide an appropriate response.Mentally multiply by using powers of 10: 10 × 104
A. 100,000 B. 1 C. 1,000,000 D. 10,000
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For the curve r(t), write the acceleration in the form aTT + aNN.r(t) = (cosh t)i + (sinh t)j + tk
A. a = (-sinh t)T + N
B. a = (sinh t)T + N
C. a = (
sinh t)T + N
D. a = (- 
sinh t)T + N
Mathematics
Find the domain of the rational function.f(x) = 
A. all real numbers B. {x|x ? 0, x ? 1} C. {x|x ? -1, x ? 1, x ? -7} D. {x|x ? -1, x ? 1}
Mathematics