Refer to the figure in which O is the center of the circle, 
is a tangent, m?PCE = 20° m?Boc = 80°, PE = 10 ft, PD = 12 ft, ER= 4 ft, and BR= 5 ft.
If AQ = 12 ft, find AO.
6 ft
Mathematics
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Find the median for the given sample data.The normal monthly precipitation (in inches) for August is listed for 20 different U.S. cities. Find the median of the data.
A. 3.50 in. B. 3.40 in. C. 3.45 in. D. 2.94 in.
Mathematics
Evaluate the requested trigonometric function using the information given. sec ? = 
; 3?/2 < ? < 2?Find sin ?.
A. - 
B. - 
C. - 
D. 
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Find the length of the curve.x = 
(y - 1) 3/2 from y = 9 to y = 16
A. 37
B. 
C. 
D. 
E. 3
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Perform the indicated operation. Express your answer in simplest form.
- 
A. 
B. 
C. 
D. 
Mathematics