exam Maths Puzzle Numerical Ability

How do you simplify 2x-5(x+2)-(x-2)/x^2-4? Could you please help me?

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exam Other Question

Determine the slope of a line that goes through the points (1,3) and (-2,5) A roof rises 9.75 ft over a horizontal distance of 17.24 ft. What is the slope of the roof to the nearest hundredth?

A) 1.91 B) 1.77 C) 0.65 D) 0.57