Solve the problem.An arch for a bridge over a highway is in the form of a semiellipse. The top of the arch is 30 feet above ground (the major axis). What should the span of the bridge be (the length of its minor axis) if the height 26 feet from the center is to be 11 feet above ground?
A. 44.1 ft
B. 27.95 ft
C. 55.89 ft
D. 141.82 ft
Answer: C
Mathematics
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j18 ÄÄÄ j6 a. j9 b. j/3 c. j3 d. -3 e. 3
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Write the vector in the form ai + bj. 
A. 6i - 5j B. 6i + 5j C. 5i + 6j D. -5i + 6j
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Multiply.-11x4(8x + 6)
A. -88x5 + 6 B. -154x4 C. -88x - 66 D. -88x5 - 66x4
Mathematics
Determine whether S defines a function.S = {(-4, 8), (-3, 4), (-1, 4), (-1, 3)}
A. Yes B. No
Mathematics