Solve the problem.A bridge constructed over a river has a supporting arch in the shape of a parabola. The length of the road over the parabolic arch is 252 feet and the maximum height of the arch is 114 feet. Write the equation of the arch.
A. y = 
x2 + 114
B. y = - 
x2 + 114
C. y = -x2 + 114
D. y = x2 + 114
Answer: B
Mathematics
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Write the ratio as a fraction.the ratio of 28 to 76
A. 
B. 
C. 
D. 
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Find the equation of the circle with center at 
and which passes through the point 
.
?
A. ?
B. ?
C. ?
D. 
E. ?
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Solve the problem.Jill is 13.5 kilometers away from Joe. Both begin to walk toward each other at the same time. Jill walks at 2.5 kilometers per hour. They meet in 3 hours. How fast is Joe walking?
A. 3 km/hr B. 2 km/hr C. 4 km/hr D. 2.5 km/hr
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Provide an appropriate response.What are the possible values of x in the equation y = log (10 - x)?
A. (10, ?) B. (0, ?) C. (-?, 10) D. (-?, ?)
Mathematics