1) Converting true bearing to quadrant:
a) 140 degrees.
Taking North as origin, it would be:
E50S
So, final answer for this part is E50S
b) 94 degrees
Taking North as origin position, it would be: E04S
So, final answer for this part is E04S
2) Converting to true-bearing:
a) S50W = from north, it would be: 180+ 50 = 230 degrees
So, 230 degrees is the answer.
b) N15W = from north, in anti-clock wise direction (direction in which we usually calculate) would be: 360-15 = 345
So, 345 degrees is the answer.
Hope this helps!