1. which properties did jacques use to solve the following problem? (you may select more than one answer)

1 × (6 + 28)
(1 × 6) + (1 × 28)
6 + 28
34

distributive property
identity property of addition
associative property of addition
identity property of multiplication

2. which properties did carmen use to solve the following problem?

17 + (45 + 23)
17 + (23 + 45)
(17 + 23) + 45
40 + 45
85

distributive property
identity property of addition
associative property of addition
commutative property of addition