Some one help please

Given: hf || jk; hg ? jg prove: fhg ? kjg to prove that the triangles are congruent by asa, which statement and reason could be used as part of the proof? fgh ? kgj because vertical angles are congruent. jkg ? hfg because vertical angles are congruent. fhg ? jkg because right angles are congruent. hfg ? kjg because alternate interior angles are congruent.

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

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827