exam Maths Puzzle Numerical Ability

Graph the inequality: x > 3

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Can someone please help me on this problem? I am lost on this.

I need to find the constant of variation k

M varies directly with N; M = 144 when N = 8

Thank,
She 1)What is the area of a rectangle that has a perimenter of 47mm and a lenth of 18.5mm?
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