It might be a. A painting on three panels.
I am not sure, so don't blame me if I get it wrong.
Answer:
A parallelogram is a quadrilateral with no axis of line symmetry.
X + 9 = 2x - 3
<u>-x -x </u>
9 = x - 3
<u> +3 +3</u>
12 = x

This can be considered as a very easy Question where you have to find the value of √85 and √86 upto 2 decimal places then we could find it easily.
Let's start!
Value of √85=9.21
Value of √86=9.27
Now it is obvious that 9.25 lies between √85 and √86.

What are rational no.?
Any pair of numbers which is in the form of p/q where p and q are integers and p and q are co-prime is called rational number.
9w - 7 = 5
9w= 5+7
9w=12
w= 4/3 or 1.33