Add.
A. 293
B. 303
C. 316
D. 347
Answer: A
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Solve the problem.An arch for a bridge over a highway is in the form of a semi-ellipse. The top of the arch is 35 feet above ground. What should the span of the bridge be, rounded to the nearest hundredth of a foot, if the height 30 feet from the center is to be 16 feet above ground?
A. 131.25 ft B. 33.73 ft C. 67.46 ft D. 62.13 ft
Find any vertical asymptotes.f(x) = 
A. x = 6 B. x = 2 C. x = -6 D. x = 6, x = -6
Give the focus, directrix, and axis for the parabola.- 
x2 = y
A. (-20, 0), x = 10, x-axis B. (0, 10), y = -10, y-axis C. (0, -10), y = 10, y-axis D. (0, -10), y = 10, x-axis
An arc of length 2 feet is cut off by a central angle of 
radians. Find the area of the sector formed.
?
A. 3.88 ft2 B. 3.80 ft2 C. 3.82 ft2 D. 3.90 ft2 E. 3.86 ft2