Solve the problem.One end of a guy wire is attached to the top of a 20-foot pole and the other end is anchored into the ground 13 feet from the base of the pole. Find the length of the guy wire. Round to the nearest tenth of a foot when appropriate. 
13 ft
A. 33.2 ft
B. 24.1 ft
C. 23.9 ft
D. 33 ft
Answer: C
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A. Two different irrational solutions B. Two different imaginary solutions C. Two different rational solutions D. Exactly one rational solution
Add.(7 + 3n6 - 2n3) + (9n6 + 9n3 - 5)
A. 21n9 B. 16n6 + 12n3 - 7 C. 12 + 7n6 + 2n3 D. 12n6 + 7n3 + 2
Solve.The roof of a building is in the shape of the hyperbola 
where x and y are in meters. Refer to the figure and determine the height, h, of the outside walls.A = 7 m
A. 52 m B. 165 m C. 7.2 m D. 12.8 m
The graph below is one complete cycle of the graph of an equation containing a trigonometric function. Find an equation to match the graph. If you are using a graphing calculator, graph your equation to verify that it is correct.
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A. ?
B. ?
C. ?
D. ?
E. ?