<h2>
Answer:</h2>

<h2>
Step-by-step explanation:</h2>
The graph of this parabola is shown below. From this graph we know that:
VERTEX:

DIRECTIX:
Since the vertex lies on the origin and the parabola opens upward, then the standard form of this parabola is:

So:

Then the directrix is:

Answer:
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Step-by-step explanation:
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Answer:
The length of the second side is 22.5 feet.
Step-by-step explanation:
Im not sure wym but i think the answer is 20