Solve the problem.A radio transmission tower is 120 feet tall. How long should a guy wire be if it is to be attached 11 feet from the top and is to make an angle of 26° with the ground? Give your answer to the nearest tenth of a foot.
A. 248.6 feet
B. 273.7 feet
C. 133.5 feet
D. 121.3 feet
Answer: A
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Use an Euler diagram to determine whether the argument is valid or invalid.Not all that glitters is gold.My ring glitters. Therefore, My ring is not gold.
A. valid B. invalid
Test the equation for symmetry with respect to the given axis, line, or pole.r = 6 + 2 sin ?; the line ? = 
A. May or may not be symmetric with respect to the line ? = 
B. Symmetric with respect to the line ? = 
Solve the problem.The cost of stainless steel tubing varies jointly as the length and the diameter of the tubing. If a 
length with diameter 2 inches costs $48.00 , how much will a 
length with diameter 
cost?
A. $466.37 B. $458.40 C. $460.80 D. $466.10
Find the work done by the force field F in moving a particle along the curve C.F = xyi + 7j + 4xk; C: x = cos 2t, y = sin 2t, z = t, 0 ? t ? 
A. 
B. 
C. 
D. 0