Answer:
1/6
Step-by-step explanation:
The constant of variation is
y/x
11/66 = 1/6
Check
8/48 = 1/6
Check
9/54 = 1/6
Answer: 100 degrees
Since it is supplementary, it equals 180 degrees. If you take 180 and subtract 80 from it, you will get your answer
Your real answer would be 49.75510204
