80
100
120
150
$10.01
$20.04
$40.96
$50.99
Associative
Commutative
Distributive
Identity
Associative
Commutative
Distributive
Identity
Associative
Commutative
Distributive
Identity
-12
8
-7
2
-9/5
-9/45
-1/45
-1/5
-6
6
-13
-17
-9
12
15
18
2
1
0
-1
7
8
9
10
X / 3
3x
4 / 3
0
6 / x
6 (x)
6
X
True
False
True
False
True
False
7
8
9
10
16
18
20
22
-11
11
-9
9
3
1
-1
-3
1/9
1/6
1/5
1
-9
-3
3
9