Explanation:
180 = 55 + 41 + y (Angles in a triangle)
y = 180-(55+41)
y = 84
y+ z = 180 (Angles on a line)
z = 180 - y
z = 180 - 84
z = 96
The lines are parallel.
The angle opposite x is 109 because the are corresponding.
x is 109 (vertically opposite angles)