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PLEASE HELP THIS IS URGENT PLEASE!!!!!!!!!!!
The following steps were used to simplify the expression 4(3 +1/4).

4(3 +1/4)

4 · 3 + 4 · 1/4

12 + 1

13

Which of the following properties were used to simplify this problem? Not all steps required using a property.

distributive property and multiplicative inverse
distributive property and multiplicative identity
associative property and commutative property
associative property and multiplicative inverse