exam Maths Puzzle Numerical Ability

8. The area of the Red Sea is about 18% of the area of the Mediterranean Sea. The area of the Red Sea is about 453,000 km. Find the approximate area of the Mediterranean Sea.

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write the quadratic equation in vertex form. Give the coordinates of the vertex and the equation of the axis of symmetry y=x^2-14x-5. The process of writing a quadratic equation in the form (x + a)2nd power is called.