Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions here. Below are the choices that can be found from other source:
<span> −7
20
20 square root 449 over 449
negative 7 square root 449 over 449</span>
The answer seems to be the third one which is 20 square root 449 over 449.
