Solve. Use ? = 3.14 and round your answer to the nearest hundredth.A radio station sends out waves in all directions from a tower at the center of the circle of broadcast range. Determine how large an area is reached if the broadcast range has a diameter of 
A. 175.84 mi2
B. 87.92 mi2
C. 2461.76 mi2
D. 9847.04 mi2
Answer: C
Mathematics
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Find the product.(8sec ? + 9)2
A. 64sec2? + 144 csc ? + 81 B. 64sec2? + 144 sec ? + 81 C. 64sec2? + 81 D. 8sec2? + 144 sec ? + 81
Mathematics
Solve the problem.A tree grows vertically on the side of a hill that slopes upward from the horizontal by 8.3°. When the angle of elevation of the sun measures 59.4°, the shadow of the tree falls 39.2 ft down the hill. How tall is the tree? Round to an appropriate number of significant digits.
A. 66.3 ft B. 233.7 ft C. 59.9 ft D. 11.1 ft
Mathematics
Find the missing number.?2 = 121
A. 11
B. -2
C. -11
D. 
Mathematics
Decompose the fraction into partial fractions.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics