book Maths Puzzle Numerical Ability

find the area of a right triangle whose legs measure 5 and 12

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book Other Question

I am not sure if this is a quadratic equation question or not but here goes.

(1/w)+(1/(w-1))=(1/(w-w^2))

I am stumped. I think the answer is W=-1 but I have also gotten W=1 Write the equation in slope-intercept form:

4x - 2y = 3

thanks so much