Answer:
There are 1849 tiles on the whole wall.
Step-by-step explanation:
If there are 85 tiles along the two diagonals, we can use the following rule:

So we have 43 tiles in the first diagonal and 85-43 = 42 in the second diagonal.
Now, as we have a square the side will have 43 tiles so the total area will be cover with:

Therefore, there are 1849 tiles on the whole wall.
I hope it helps you!
Answer:1
Explanation:since the absolute value of -3 is 3 and 4-3=1
2x is what I would say but i sayy ask an expert
The answer I got was 2c-48 still trying to figure out the matching part