Divide the top number and the bottom number by a number they both have in common
X - number of customers

There can't be a fraction of the number of people, so there must be some mistake in the question.
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3.option a (-8,2)
4.option b (5,4)
The vertex is (-5, 5) and the parabola opens downward. The vertex form equation is
.. y = -(x +5)^2 +5
Answer:
its C. all of the sea urchin in the entire ovean is the most likely to be the population of interest