1-(-8)
1+8 (add a line change the sign)
=9
2.2360679775 is the square root of 5.
Answer:
Answer is option b)
<em>Answer is </em><em>given below with explanations</em><em>. </em>
Step-by-step explanation:

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Answer:
-9 minus -3
Step-by-step explanation:
-9 - (-3) = -9 + 3 = -6
Subtract and keep the sign of the bigger number.