Evaluate the expression without using a calculator.
1/2
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Sketch the graph of the function.y = 
- 2 cos 2x
A. 
B. 
C. 
D. 
Mathematics
Determine the probability using a probability tree.A bent coin lands tails up with a probability 0.6. If the coin is flipped three times, determine P(two heads and a tail in any order).
A. 0.288 B. 0.096 C. 0.432 D. 0.144
Mathematics
Find the domain of the function.f(x) = x - 
A. (-?, -6) ? (-6, ?) B. (-?, ?) C. (-?, 5) ? (5, ?) D. (-?, -6) ? (-6, 5) ? (5, ?)
Mathematics
Solve.To find the distance AB across a river, a distance BC of 851 m is laid off on one side of the river. It is found that B = 101.9° and 
Find AB.
A. 194 m B. 174 m C. 197 m D. 177 m
Mathematics