Answer:
The circumference of a circle =πd = π×18 =18π m
Answer: x= 2.5, y = 10
Step-by-step explanation:
<u><em>I'm going to assume that these photocopies are proportional in relations to each other.</em></u>
If they're proportional, you can set up two proportions:

And cross-multiply:

Then solved for x and y:

I believe that the answer would be B) y = x + 19