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.
Find DC.
7.5ft
Mathematics
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A. Yes B. No
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A. (y2 + 5)(y + 3)(y - 5) B. (y + 5)(y2 - 15) C. (y + 5)(y - 3)(y + 5) D. (y + 5)(y + 3)(y - 5)
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A. 440 B. 4 C. 4400 D. 44
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