Multiply.-11c5(-3c4 + 12c2 - 9)
A. 33c4 - 132c2 + 99
B. 33c9 - 132c7
C. 33c9 - 132c7 + 99c5
D. 33c9 + 12c2 - 9
Answer: C
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A man standing near a radio station antenna observes that the angle of elevation to the top of the antenna is b? = 67°. He then walks 100 feet further away and observes that the angle of elevation to the top of the antenna is ?a? = 45°. Find the height of the antenna to the nearest foot. (Hint: Findxfirst.)
?
?
A. 
ft
B. 
ft
C. 
ft
D. 
ft
E. 
ft