Maybe B (not sure).................
Answer:



This might not be correct though. I'm only in middle school lol. I am sure about the last one.
I guess this how it would go
<span><span><span>(5)</span><span>(<span>−2</span>)</span></span>−<span><span>(2)</span><span>(<span>−3</span>)</span></span></span>
So your answer should be <span>−4</span>
Answer:
the approximate value of the square root of 8 is 2.828