To find out how much warmer the city's record high temperature (106°F) is than the record low temperature (−17°F), you can calculate the difference:
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Subtract the record low temperature from the record high temperature:
\[ 106°F - (-17°F) = 106°F + 17°F \]
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Adding these together gives:
\[ 106°F + 17°F = 123°F \]
So, the record high temperature is 123°F warmer than the record low temperature.
The correct response is:
123°F