Answer:
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4. expression
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anything with = is an equation, without is expression.
The set of whole numbers that share the common multiples of 2,520 and 3,780 are: 35, 105, and 315.
To get these sets of whole numbers, you have to decompose 2520 and 3780 by using decomposition method or the continuous division.
See attached file.
16 degrees would be the maximum because it was the hottest temperature recorded.