Solve the problem.A radio transmission tower is 110 feet tall. How long should a guy wire be if it is to be attached 12 feet from the top and is to make an angle of 25° with the ground? Give your answer to the nearest tenth of a foot.
A. 260.3 feet
B. 231.9 feet
C. 108.1 feet
D. 121.4 feet
Answer: B
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Solve the problem.Write an iterated triple integral in the order 
for the volume of the tetrahedron cut from the first octant by the plane 
.
A. 
B. 
C. 
D. 
Provide an appropriate response.If (9x - 3)2 is the LCD of two fractions, is (3 - 9x)2 also acceptable as an LCD? Why or why not?
What will be an ideal response?
Assume that each of the n trials is independent and that p is the probability of success on a given trial. Use the binomial probability formula to find P(x). Round to four decimal places.n = 9, x = 7, p = 0.3
A. 0.0039 B. 0.0042 C. 0.0050 D. 0.0037
Solve the problem.A stone is thrown into a pond. A circular ripple is spreading over the pond in such a way that the radius is increasing at the rate of 2.6 feet per second. Find a function, r(t), for the radius in terms of t. Find a function, A(r), for the area of the ripple in terms of r. 
A. (A ? r)(t) = 6.76?2t B. (A ? r)(t) = 2.6?t2 C. (A ? r)(t) = 5.2?t2 D. (A ? r)(t) = 6.76?t2