Solve the problem.A light 20 feet above a warehouse floor produces a cone of light. If the angle shown in the figure is 
what is the diameter of the circle of light on the floor? Round your answer to the nearest tenth of a foot when necessary. 
A. 25 ft
B. 12.5 ft
C. 11.5 ft
D. 5.7 ft
Answer: C
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One of sin x, cos x, and tan x is given. Find the other two if x lies in the specified interval.sin x = 
,
x in 
A. cos x = - 
, tan x = - 
B. cos x = 
, tan x = 
C. cos x = - 
, tan x = - 
D. cos x = 
, tan x = - 
Solve the problem.List all possible proper subsets of the set {2, 6, 7}.
A. ?, {2}, {6}, {7}, {2, 6}, {2, 7}, {6, 7} B. {2}, {6}, {7}, {2, 6}, {2, 7}, {6, 7} C. {2}, {6}, {7}, {2, 6}, {2, 7}, {6, 7}, {2, 6, 7} D. ?, {2}, {6}, {7}, {2, 6}, {2, 7}, {6, 7}, {2, 6, 7}
Provide an appropriate response.Multiply, reduce answers to lowest terms and convert improper fractions to whole or mixed numbers: 
× 
A. 
B. 
C. 
D. 
Find the domain of the function.H(x) = 
A. (-?, ?) B. (-?, 5) ? (5, ?) C. [5, ?) D. (5, ?)