The measures of the angles of lmn are in ratio 2: 4: 6 what are the measures of the angle

Can someone answer this question for me

Zack notices that segment nm and segment pq are congruent in the image below: which step could him determine if δnmo ≅δpqr by sas? (5 points) segment mo ≅ segment qr segment on ≅ segment qp ∠ n ≅ ∠ r ∠ o ≅ ∠ q

Solve the system of equations using the linear combination method. {4x−3y=127x−3y=3 enter your answers in the boxes.