Which statement shows the associative property of addition?
Which statement shows the associative property of addition?

A) 13⋅(k⋅5)=(k⋅5)⋅13

B) 13+(k+5)=(13+k)+5

C) 23+6y=6y+23

D) 13⋅(k⋅5)=(13⋅k)⋅5