The correct answer is B.
See diagram
EXPLANATION
Let us choose zero to be our reference point. That is zero is representing the surface of the pool.
Since

Or

will be closer to zero.
We were told that
is where the boy's feet are. Therefore his feet are closer to the surface of the pool than the girl's feet.
So the correct answer is
the second option
Answer:
Step-by-step explanation:
55.15 (t) 55.2 (t) 54.34 (t) 52.08 =216.95
Answer:
√10
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5
Step-by-step explanation:
√(2/5) has a radical in the denominator. We want to eliminate that radical. To do this, multiply both √2 and √5 by √5:
√2·√5
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5
This simplifies to
√10
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5