Which properties were used to simplify the following expression? Select all that apply.
4 + 3(9 + 2)
4 + (3 × 9) + (3 × 2)
4 + 27 + 6
4 + 6 + 27
10 + 27
37
associative property of addition
associative property of multiplication
commutative property of addition
commutative property of multiplication
distributive property
identity property of addition
identity property of multiplication