Complete the square in x and y to find a Cartesian equation of the form  or  for the given equation.9x2 - 16y2 + 36x - 64y - 172 = 0

A.  -  = 1
B.  -  = 1
C.  -  = 1
D.  -  = 1


Answer: C

Mathematics

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Find n(A) for the set.A = {?, 0}

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A. PV = -  + ; PT = 
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Solve the problem.The map shows the states Tennessee, Alabama, Georgia, and Mississippi. Find a route that starts in Mississippi and crosses each common state border exactly one time.

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Mathematics