Evaluate or simplify the given expression.cot(csc-1 2x)
A. 
B. 
C. 4x2 - 1
D. 
Answer: D
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Find the indicated probability.The following table displays the number of siblings for students at one middle school. Find the probability that a randomly selected student in the school has 2 siblings. Round your answer to the nearest thousandth. 
A. 0.287 B. 0.205 C. 0.217 D. 0.125
Calculate the quotient.
A. 3 B. -5 C. 4 D. -4
Describe all symmetries of the figure shown.
A. 2 lines of symmetry, 180° rotation symmetry B. 4 lines of symmetry C. 4 lines of symmetry, 90° rotation symmetry D. 2 lines of symmetry
Provide an appropriate response.In the first game last week a baseball player had 2 hits in 5 times at bat. In the second game she went 2 for 4, and in the third game she had 0 hits in 5 times at bat. In the double header the next day she was 1 for 4 and 2 for 2. Which measure of central tendency would be best to use to find her average?
A. Mean B. Median C. Mode D. Weighted mean