Complete the statements about the associative property and equivalent expressions. The associative property allows us to change the grouping of the factors that are multiplied together to create
1. equibalent expression
2. operations
3. parentheses
4. variables

When changing the grouping, the order of the factors stays the same; only the change position.

The expression is an equivalent expression to w(xy)z.
1. w+x+y+z
2. w+xy+z
3. (wx)yz
4. wx + yz

The expression is also an equivalent expression to w(xy)z.
1. 2wx(2yz)
2. wx(yz)
3. wx + yz
4. z+y+x+w