Solve the system by the elimination method or a combination of the elimination and substitution methods.x2 + 2xy + y2 = 9x2 + 2xy - y2 = -9
A. {(0, 3), (0, -3), (6, 3), (6, -3)}
B. {(0, 3), (0, -3), (-6, 3), (6, -3)}
C. {(0, 3), (0, -3), (6, 3), (-6, -3)}
D. {(0, 3), (0, -3), (-6, 3), (-6, -3)}
Answer: B
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Find the polar coordinates of the point(s) of intersection of the given curves for 
r = 12 cos ?, r = 
A. (12, ?), 
, 
B. (12, 0), 
, 
C. (-12, ?), 
, 
D. 
, 
, 
Solve the equation. Express irrational solutions in exact form and as a decimal rounded to three places.log2(x2 - 16) = 7
A. {-4
, 4
} ? {-10.583, 10.583}
B. {12}
C. {-
, 
} ? {-8.062, 8.062}
D. {-12, 12}
For a rectangle with area 25 to have the smallest perimeter, what dimensions should it have? ?
A. 
B. 
C. 
D. 
E. 
Provide an appropriate response.Give an equation that, along with the equation y = 3x + 6, forms an inconsistent system.
What will be an ideal response?