The answer is: C. <span>It may be necessary to read through a text more than once to identify the details that support or develop the main idea.
Good luck with your studies, I hope this helps!!</span>
Question:
If x = 2, y = 3 and z = -5, then x^2 + y^2 +2z = ?
Answer:

Explanation:
Given



Required
Determine 

Substitute values for x, y and z in the above expression:





Answer:
I don't know but you can try to report what ever they said and I think it would lead to the officals blocking him or her if you insist