exam Maths Puzzle Numerical Ability

2-3x=-3(x+4)

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exam Other Question

please help me

which conic section is represented by the equation 4x^2-4xy+y^2+4x-2y+1=0

A.ellipse
B.2lines
C.hyperbola
D.1 line
E.n/a
Can someone help me solve this problem?

I need to evaluate the following problem:

16 divided by (-2) * (-4)/2^3 + 4

Thank you,
Lyn