Answer:
From (2, 1) move up one and over four
Not necessarily. the absolute value of a number is that number's distance from 0 on a number line. if your taking the absolute value of a negative value, what you stated would be true. however, what if you took the absolute value of a positive number? hope that answers your question.
The answer is 169 ..... I hope this helps :)
To simplify the problem it would be: -18xy+18y^2