PLEASE I NEED THE ANSWERS TO THESE

Geometry: determine whether segment mn is parallel to segment kl. justify your answer. jm 6 mk 3 jn 8 nl 4

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

Which equation represents a direct linear variationa. y=x2b. y=2/5xc. y=1/xd. y=x+3