Dg's plumbing and heating charges $50 plus $70 per hour for emergency service. bill remembers being billed just over $450 for an
1 answer:
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Answer:
8
Step-by-step explanation:
The equation of the parabola can be represented as
for some constant a.
Since the coefficient of x² is 2, a = 2, so
So, the answer is 8.