exam Maths Puzzle Numerical Ability

can someone please help me with this problem:

Complete the square and write the equation in standard form. Then give the center and radius of the circle.

x^2^+ y^2 - 2x - 4y - 4 = 0

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exam Other Question

please help to graph on a number line :

- the absolute value of x - 2 > -5; d = {Intergers} A rope was cut into two pieces so that one piece was 18 m longer than the other. That piece was also three times as long as the other. How long was each piece and how long was th