<u>The error is that they had placed the numbers in the wrong placeholder.</u> Remember that the Distance formula is
.
<em><u>Correct Work:</u></em>

Step-by-step explanation:
They want you to write a paragraph about addition, subtraction, multiplication, and division.
Answer:
18.1
<em>The thing You NEEDED to do</em>
<h3>
<u>Simplify</u> or <u>Evaluate</u> Your Answer</h3>
I believe the answer is 16