Answer:
Step-by-step explanation:
because adjacent angles that form a line make 180°
5x +40 = 180
5x = 180-40
x = 140/5 = 28
because alternate exterior angles are congruent
3y -1 = 5x
3y -1 = 5*28
3y = 140+1
y= 141/3 = 47
i think so option b is the correct option.
because 3+7=10 not 11.
x≥8
