Answer:
x + 52 + 78 = 180
Step-by-step explanation:
By angle sum property of a triangle:

Answer:
y=mx+b
Step-by-step explanation:
Answer: Don't know sorry
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
It lines up with the intersection of the two lines
It's 8 because the number in front of the variable is the slope, while the past 30 is the y intercept