Answer:
y = 4
Step-by-step explanation:
The volume of a rectangular prism (in this case, the pool) is found by multiplying the values of the length, the height, and the width together.
44 * 9 * 8 = 3168
The volume of the pool is 3,168

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Hope that helped! =)
Graph D (last one)
<u><em>Step-by-step explanation:</em></u>
edge