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Which step is needed to finish the equivalent expression?
5m-m+7-m-4=
5m-m-m+7-4=
(5-1-1) m+3=
Use the addition property to simplify the terms inside the parentheses.
Use the associative property to simplify the terms in the parentheses.
Use the commutative property to simplify the terms in the parentheses.
o Use the distributive property to simplify the terms in the parentheses.
Apyramid fits exactly inside a cube. the cube and the pyramid share the same square base, and they are both exactly the same height. the volume of the cube is 66 cubic inches. what is the volume of the pyramid? explain your answer. answer asap