Answer:
y = 100 degrees,
x = 80 degrees.
Explanation:
m < NSP = 51 degrees (alternate angles).
So m < SPN = 180 - (49 + 51) = 80 degrees (angles in triangle = 180)
and m < y = 180 - 80 = 100 degrees. ( adjacent angles are supplementary)
m < OPV = 180 - 80 - 51 = 49 degrees ( angles on straight line)
and m < POV = 51 ( alternate angles)
So m < x = 180 - 49 - 51 = 80 degrees.