Question

What are the answers

Answer 1

x and 68 are supplementary, so
x + 68 = 180
x = 180 - 68
x = 112
x = 128 is false

z + 128 = 180
z = 180 - 128
z = 52
z = 52 is true

y + z + 68 = 180
y + 52 + 68 = 180
y + 120 = 180
y = 180 - 120
y = 60
y = 52 is false