Finding Equations of a line
19)find the equation of a straight line passing through (0,-3) & (-4,-11)
20)find the equation of the straight line passing through the point (-6,-4) and parallel to the line 2x+3y-15=0.
21)find the equation of a straight line passing through the point (-3,3) and perpendicular to the line 5x+2y+21=0
22.the lines -6x+2y=1 and x+3y-5=0 are
a.parallel to eachother
b.perpendicular to eachother
c.parallel to the line -x-3y=0
d.perpendicular to the line 3x-2y-1=0
e.neither parallel nor perpendicular to eachother
thank you for helping me, this is part of my study guide for my final