exam Maths Puzzle Numerical Ability

10k/7-2k+2/7k= ?

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Which of the following is a simplified expression equal to 9-x^2 over x-3 for all x<-3? Floor plans for a building have the four corners of a room located at the points (2,3)(11,6), (-3,18)and (8,21). Determine whether the side throght the points (2,3) and (11,6) is p