If both expressions have the same value after substituting and simplifying two different values for the variable, then they are .
The value of both expressions when k = 3 is and when k = 5 is 45, so the expressions are .
The expression
Use the commutative property to create equivalent expressions. Which expressions are equivalent to 2.2t + 3.5 + 9.8? Check all that apply.
The associative property allows us to change the grouping of the factors that are multiplied together to create .
When changing the grouping, the order of the factors stays the same; only the change position.
The expression
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