If you are looking for the expanded version, this is it. It is also possible to group either an a from (a^2 + 2b) or a b from (2ab + b^2). Hope this helps!
3(x-8)=12
I got this equation since there are three of the "x-8" sections that add up to the twelve length bar above
D, sense there are no repeating numbers in the input (Y)
2238 - 300 = 1938 ft is your answer
It is the last one. A closed circle means less than or equal to, so that crosses out the top two. The third says five is greater and we know that is not true because the line is decreasing in value. It must be the fourth.