exam Maths Puzzle Numerical Ability

State the circle and radius of the circle given by (x-2)^2+(y+3)^2=20

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exam Other Question

A 4.0 Litre can of paint covers 24 metres squared of surface area. A can of primer covers 18 metres squared of surface area. The second coat of paint only requires 75% as much pain Graph the solution sets for the folowing linear inequalitites

3x-y<6
x>1
y<3

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