Solve the problem.An experimental model for a suspension bridge is built in the shape of a parabolic arch. In one section, cable runs from the top of one tower down to the roadway, just touching it there, and up again to the top of a second tower. The towers are both 9 inches tall and stand 60 inches apart. Find the vertical distance from the roadway to the cable at a point on the road 9 inches from the lowest point of the cable.
A. 3.24 in.
B. 0.61 in.
C. 0.81 in.
D. 1.01 in.
Answer: C
Mathematics
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A. 194.8 B. 19.5 C. 175.3 D. 51.3
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Solve.7x2 + 5x + 9 = 0
A. 
, 
B. 
, 
C. 
, 
D. 
, 
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Solve the equation by factoring.4t3 - 4t = 0
A. 
B. 
C. 
D. {0}
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