Which property is used in the following expression? 3(6+5)=18+15
a. associative property of multiplication
b. commutative property of addition
c. associative property of addition
this is the answer because if you distribute 3 to the 6 and 3 to the 5 you get 18+15.
28 quarters and 40 dimes
you can cut pizza better
a. associative propert...