exam Maths Puzzle Numerical Ability

http://img233.imageshack.us/img233/2087/geometrygy6.jpg

Referring to that picture,

1) If AD = 12 and AC = 4Y - 36, Find the value of y. Then find AC and DC.

2) If ED = x +

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exam Other Question
Simplify [(3/4)^2 - (1/3)^3] * 3^2.

I REALY NEED YOUR HELP WITH THIS...THANKS Solve 2x^2=3x+2 by graphing. If exact roots cannot be found, state the consecutive integers which the roots are located.

Thanks