PLEASE HELP AND SHOW WORK

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

Our goal is to collect email addresses from 60% of customers who purchase a product." so that means if i talk to 95 customers, i need to persuade to provide an email address?

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)