What is 2x2 i need help

Ill mark the brainliest if you me with the these three questions 7,8,9

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

What will the graph look like for a system of equations that has no solution? a. the lines will be perpendicular. b. the lines will cross at one point. c. both equations will form the same line. d. the lines will be parallel.