The answer is 10 because its in the tens place
If submarine is at the surface (the initial position) and then dives 375 ft, the coordinate of submarine becomes -375 ft <span>relatively to the initial position. When the submarine dives another 175 ft down, the coordinate of submarine becomes -375-175=-550 ft relatively to the initial position.
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Answer: Correct choice is A.
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-2*4=-8
-8 is the correct answer
I think it is B (don't take me for certain cuz I don't know)
