The rectangular coordinates of a point are given. Find polar coordinates for the point.(
, -1)
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve. 27 - n2 = 6n
A. 9, -3 B. 3, -9 C. -9, -3 D. 3, 9
Mathematics
Determine whether the proportion is true or false.
= 
A. True B. False
Mathematics
Determine the degree of the polynomial.6n4 - 4n3 - n2 - 3n - 9
A. 4 B. 5 C. 6 D. 10
Mathematics
Solve the problem.An arch for a bridge over a highway is in the form of a semiellipse. The top of the arch is 35 feet above ground (the major axis). What should the span of the bridge be (the length of its minor axis) if the height 28 feet from the center is to be 16 feet above ground?
A. 122.5 ft B. 62.96 ft C. 31.48 ft D. 53.33 ft
Mathematics