Which number line model represents the expression -4 + 7.5
?
-4 + 7.5 is equal to 3.5.
Therefore, the number line model representing this expression would start at -4 and move to the right by 3.5 units, ending at 3.5.
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Therefore, the number line model representing this expression would start at -4 and move to the right by 3.5 units, ending at 3.5.