Find the missing length to the nearest tenth.
A. b = 3.0 ft
B. b = 16.2 ft
C. b = 13.7 ft
D. b = 94.5 ft
Answer: C
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Find the asymptotes of the hyperbola.6x2 - y2 - 60x + 4y - 148 = 0
A. y - 2 = 6(x - 5), y - 2 = -6(x - 5)
B. y - 2 = 
(x - 5), y - 2 = -
(x - 5)
C. y - 2 = 
(x - 5), y - 2 = - 
(x - 5)
D. y - 5 = 
(x - 2), y - 5 = -
(x - 2)
Find the polar equation of the given rectangular equation.x2 - y2 = 4
A. r2 = 4 sec 2? B. r2 = 4 csc 2? C. r = 4 sec 2? D. r = 4 csc 2?
Any sound from one focus of an ellipse reflects off the ellipse directly back to the other focus. This property explains whispering galleries such as Statuary Hall in Washington, D.C. The whispering gallery shown in illustration has the shape of a semi-ellipse. Find the distance sound travels as it leaves focus F and returns to focus F'.
?
?
A. 31 meters B. 32 meters C. 63.2 meters D. 33.5 meters E. 31.6 meters
Find the equation of the graph.
A. y = 3 B. x = -3 C. y = -3 D. x = 3