The person above is correct
The distance might be the slope of the line
10.2 is the right answer 10 dollars and 20 cents is more then 10 dollars and 02 cents
(x+5) represents each side of a square. Since all sides of a square are equal, we know that all sides are (x+5).
Base x height = (x+5)(x+5)
Which is x^2+10x+25!