Answer:
Yes, 4 + -4 = 0.
Think of it like a number line: The number four is 4 units to the right of the center which is 0, and the number negative four is 4 units to the left of the center. When you add them together, those distances cancel out, and you just get 0.
s = 70
Step-by-step explanation:
This might be wrong but I got .024806509
I don't know if you wanted it rounded but I hope this might have helped.
