Solve the problem.The diagram below shows the side view of a plan for a slanted roof. Find the unknown length in this roof plan. Round approximations to the nearest tenth. 
16 ft
A. 9 ft
B. 160 ft
C. 12 ft
D. 17.9 ft
Answer: D
Mathematics
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A. 
B. 
C. 
D. 
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Find the values of x, –2? ? x ? 2?, for which the vertical asymptotes of the function y = csc x cross the x-axis.
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