Solve the problem.A bridge is built in the shape of a parabolic arch. The bridge arch has a span of 142 feet and a maximum height of 40 feet. Find the height of the arch at 25 feet from its center.
A. 1.2 ft
B. 19.8 ft
C. 35 ft
D. 27.7 ft
Answer: C
Mathematics
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Quadrilateral ABCD is inscribed in 
. If m
= 49°, find m
.
What will be an ideal response?
Mathematics
Find the area of the surface generated by revolving the curve about the indicated axis. y = x3/5, 0 ? x ? 2; x-axis
A. 
?
B. 
?
C. 
?
D. 
?
Mathematics
Find the solution set of the equation. If the equation has no solution write ? and if the equation is an identity so state.
+ 2 = 
A. {-5} B. {-1} C. ? D. {3}
Mathematics
Find the numbers at which f is continuous. At which numbers is f discontinuous?f(x) = 
A. continuous for all real numbers except x = 0 B. continuous for all real numbers except x = 5 C. continuous for all real numbers D. continuous for all real numbers except x = -5, x = 5
Mathematics