Mathematics, 22.03.2020 20:51 chinnellepug123

Karissa says that to represent the expression - 7 - (- 9) on number line, she should start at 7 and move units to the IN correct? Explain why or why not.

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Karissa says that to represent the expression - 7 - (- 9) on number line, she should start at 7 and...