<span>Linear relations are not functions when they appear graphically as:
Vertical lines
One x not one y</span>
We know that the price of all the fabrics is the same. However, the length of the fabrics is different. We have to determine which fabric is the longest.
Option A:
= 8.6
Option B:
= 8.25
Option C:
= 8.6667
Option D:
= 7.33....
Hence, the longest fabric is the one given in option C, and its length is 8.6667
I got ECHA... hope it's right:)
For math- The difference between a value of a variable and another variable which usually ends up to be the variables mean