24x=3y solve for x and y

In the rectangle below ac=30 units what is de

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.

Which must be true in order for the relationship △zyv ~ △xwv to be correct? zy ∥ wx ∠z ≅ ∠y and ∠w ≅ ∠x zv ≅ vy and wv ≅ vx ∠z ≅ ∠x and ∠w ≅ ∠y