write the equations of the lines through the given point (a)parallel to the given line and (b)perpendicular to th given...

write the equations of the lines through the given point (a)parallel to the given line and (b)perpendicular to th given line please show work. 1)point (2,1) line 4x-2y=3 2)point (7/8,3/4) line 5x+3y=0 3)point (-1,0) line y=-3 4)point (2,5) line x=4