exam Maths Puzzle Numerical Ability

Solve the system using the substituion method.
2x - 5y = 9
-3x + y = -7

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exam Other Question

Find the area of the region between two concentric circles with radii 9 and 6. find a quadratic function with vertex (4,-5) and containing the point (-3,1). Give you solution in the form f(x)=a(x-h)^2+k