Answer:
20
Step-by-step explanation:
Replace the variables with their corresponding numbers.
y-x/z 64-4/3 60/3 20
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Explanation:</h2><h2>
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Here you haven't provided any function, so I'll assume this one:

This is a quadratic function whose graph represents a parabola. Any parabola has its vertex at the point:

Therefore:

Therefore, the vertex is:

Answer:
3,465 in³
Step-by-step explanation:
V=LWH
V=21 x 11 x 15 (the height of the water)
V= 3465