exam Maths Puzzle Numerical Ability

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.

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4 to the ninth power times (-1/4)to the fifth power 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.