Answer:
<h2>C. (-1, 9)</h2>
Step-by-step explanation:

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The right answer for the question that is being asked and shown above is that: "Nonrandomized study."
The additional step is also crucial to the success of the study is that Nonrandomized study. When conducting an observational study, it is important to choose a topic, select a variable, create a hypothesis, collect the data, and analyze the data <span>for validity of the hypothesis.</span><span> </span>
Answer:
π and √2.
Step-by-step explanation:
π and √2 are irrational because they cannot be written in the form a/b where a and b are integers.
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