Answer:
A
Step-by-step explanation:
Answer:

Step-by-step explanation:
1) Use square sum: (a + b)² = a² + 2ab + b².

<u>Therefor</u><u>,</u><u> </u><u>the</u><u> </u><u>answer</u><u> </u><u>is</u><u> </u><u>x</u><u>²</u><u> </u><u>+</u><u> </u><u>2xy</u><u> </u><u>+</u><u> </u><u>y</u><u>²</u>.
The answer to the question is <span>70.6179775281. which also can be converted to 71.</span>
Answer:
I posted a question not too long ago, no one has answered yet and I'm almost done with the assignment, help would be greatly appreciated! :)