ANSWER

EXPLANATION
The outermost square tile has side length,

The area of a square is given by;

We substitite the given expression for the side length into the formula to obtain,


We expand using the distributive property to obtain;

This gives us:


The last choice is correct.
Answer:
The answer is b+17
Step-by-step explanation:
1/9-22/9-5/9
-21/9-5/9
-26/9