The answer is B becuase if u take the reciplericle by the antiretroviral you would get B
A half hour is 30 minutes. So you would need to divide 30 by 5 and you get six. Multiple 6 degrees Fahrenheit by 6 and you get 36 degrees. The solution cooled 36 degrees in half an hour.
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Answer:
9x=19 step by step solution has been attached to this answer