Answer:
y = 107
z = 79
Explanation:
The sum of adjacent angles on a straight line is 180.
101 + z = 180
101 - 101 + z = 180 - 101
z = 79
The sum of angles in a quadrilateral is 360 degrees.
79 + 80 + 94 + y = 360
253 + y = 360
253 - 253 + y = 360 - 253
y = 107