Answer
(a) associative property;
(b) commutative property;
(c) distributive property;
(d) inverse property.
Work Step by Step
(a) We can identify the expression as the associative property;
(b) We can identify the expression as the commutative property;
(c) We can identify the expression as the distributive property;
(d) We can identify the expression as the inverse property.
