exam Maths Puzzle Numerical Ability

Determine which two equations represent parallel lines.
a) y = -6x + 3
b) y = 6x + 3
c) y = x + 3
d) y = -6x + 5

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exam Other Question

Please show me how to solve my homework question. thanks.

Y^2-36/y^2-4 multiplied by y^2+6y+8/y^2-2y-24

the choices are

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