For each of the following operations on the set of all real numbers (including the negative ones), determine if it satisfies each of the following conditions (enter the number $1$ if the condition is satisfied, and enter the number $0$ if it is not). Note: If there is no identity, enter "0" for inverse.

$x*y$	Associative	Commutative	Identity	Inverse
$|x+y|$
$xy + 3$
$+y+7$