Parallel Lines Proofs see attached images for the problem :)

really need help on this quickly, will mark brainliest!

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1

Acomposition of transformations maps δxyz to δx"y"z". the first transformation for this composition is , and the second transformation is a 90° rotation about point x'.

Write an inequality for this description. - one fourth of the opposite of the difference of five and a number is less than twenty.