exam Maths Puzzle Numerical Ability

Graph this equation using the intercept method. 2x+3y=6. McGraw Hill 6th edition, chapter 6, section 3,problem # 28. Thanks so much for your help!!

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I cannot even get started when it comes to writing proofs from scratch. Are we supposed to memorize all of those theorems? There are more than one hundred!

Thanks so much!
Simplify [(3/4)^2 - (1/3)^3] * 3^2

(3^2/4^2) - (1^3/3^3) * 3^2
9/16 - 1/27 *9

I am not sure if i am headed in the right direction. Is this simplified? Or do i have to solve? Thank you