<h2>QUESTION:- What is the value of y?</h2>
<h2>ANSWER:- </h2>
SUM OF ALL INTERIOR ANGLE = 180

Answer:
1/5688x-18
I am not sure about my answer because I think the question is missing some information but my answer is 1/5688x-18. Thanks!
Use photo math for that 21
83.40/12 = 3.95
Each person pays $3.95.
Hope this helps! :D
Answer:
y=27x +117
This is because there is only a one time fee of $117 and $27 per month (x)