Question

(1 pt)
What property is shown by the equation?
Column A Column B
1.
(34 + 11) + 9 = (11 + 34) + 9
2.
25 + (–15 + 4) = (25 + (–15)) + 4
3.
–(–21 + 8) = 21 + (–8)
4.
–30 + (–16) = –16 + (–30)
A.
commutative property
B.
associative property
C.
opposite of a sum property

Answer 1

@_tyannaj_

Answer 2

@1497

Answer 3

hold on

Answer 4

1 is b

Answer 5

okay

Answer 6

I already know that

Answer 7

2.d
3.c
4a

Answer 8

2 is b
3is c and
4 is a

Answer 9

oh maybe 2 is d

Answer 10

there is no d