4/5 is the answer.
The formula is y=mx+b, where m is the slope
Step-by-step explanation:
X+100=180(linear pair)
X=180-100
X=80
30+y+x=180(sum of angle of triangle)
Y=180-110
Y=70
Answer: its b
Step-by-step explanation:
bc i used a calculator and it said so
Since the denominators are the same, just subtract the numerators.
The answer is 3/10.