Give all solutions of the nonlinear system of equations, including those with nonreal complex components. xy = 112y2 - x2 = 11
A. 
B. 
C. {(2i
, -i
), (-2i
, i
), (
, 
), (-
, -
)}
D. 
Answer: A
Mathematics
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Solve the problem.Evaluate 
at (x, y, z) = (4, 2, 0) for the function u = epq cos(r); p = 
, 
A. 32 B. 0 C. 2 D. 64
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Solve.A painting in a museum is 70 centimeters wide. Convert this width to inches. Round answer to the nearest hundredth, if necessary.
A. 27.56 in. B. 229.6 in. C. 21.34 in. D. 177.8 in.
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Determine whether the argument is valid or invalid.Michael Bolton is a hunk or Madonna cannot sing. If Madonna cannot sing, then Cigar does not win the Triple Crown. Cigar wins the Triple Crown. Therefore, Michael Bolton is not a hunk.
A. Valid B. Invalid
Mathematics