Find the unknown length in the space figure.Find the distance x. Give an exact answer. 
2
A. 2
B. 164
C. 4
D. 3
Answer: A
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Determine the answer as requested.The city council gave a questionnaire to its citizens, asking them to rank their priorities for next year's budget. People were asked to rank the following four choices: (P)olice, (R)oads, (S)chools, and (T)rash removal. The results are summarized in the table below.Number of Ballots
Which option is selected using the Borda count method?
A. T B. P C. R D. S
Find the reciprocal.- 
A. - 
B. -8
C. 
D. 
Find the slope (if defined) of the line that passes through the given points.(-1, -4) and (9, -9)
A. - 
B. 
C. - 2
D. - 
Find the value of the indicated trigonometric function of the angle ? in the figure. Give an exact answer with a rational denominator.
Find cos ?.
A. cos ? = 
B. cos ? = 
C. cos ? = 
D. cos ? = 