ANSWER
11) the multiplicative identity
12) Associative property
13) multiplicative inverse property.
14) additive identity property.
15) commutative property of addition.
16) distributive property
17) Additive inverse property.
Step-by-step explanation
11) Given;

This obeys the multiplicative identity
12) Given

This obeys associative property.
13) Given;

This obeys the multiplicative inverse property.
14) Given;

This obeys the additive identity property.
15) Given;

This obeys the commutative property of addition.
16) Given;

This obeys the distributive property
17)