exam Maths Puzzle Numerical Ability

Quadrilateral ABCD has a perimeter of 95 centimeters. Find the length of each side if and

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exam Other Question

1/x + 1/y = -1,
x^3 + y^3 = 4,

solve the equations Determine if this equation can be expressed in quadratic form and if so write the equation in quadratic form. (x-3)^2 -4(x-3)-21=0