What property is shown by the equation?
column a
1.
(–22 + 17) + 13 = –22 + (17 + 13)
2.
–(27 + (–3)) = –27 + 3
3.
35 + (–15 + 4) = (35 + (–15)) + 4
4.
–12 + 6 = 6 + (–12)
column b
a. commutative property
b. associative property
c. opposite of a sum property

Which empire was called "the sick man of europe? "

Following archduke franz ferdinand's assassination, austro-hungarian leaders: a. aided the ottoman empire in its campaign to keep serbia under its control. b. executed nearly all prominent serbs living in austria-hungary c. threatened to invade serbia if serb leaders did not agree to a set of strict demands. d.. formed an alliance with great britain to protect austria-hungary from future attacks.

What was the name of the puritan group that wanted to separate from the church of england? a. quakers b. pilgrims c. catholics d. dissenters e. jews