Answer:
25
Step-by-step explanation:
Answer: a=3 & b=-2
Step-by-step explanation:
Why is there a question mark?
Answer: x = 70, y = 110, z = 85
Step-by-step explanation:
If BE = CD, then using corresponding angles (are equal), x = 70
If x = 70, then 70+y = 180 (angles on a straight line)
y = 110
And z = 85 (corresponding angles again): angle ABE = angle ACD