1.
Which statement illustrates the commutative property of addition?
A.
(5 + 3) + 6 = 14
B.
(5 + 3) + 6 = 5 + (3 + 6)
C.
(5 + 3) + 6 = (3 + 5) + 6
D.
(5 + 3) + 6 = 8 + 6
Hint
2.
Simplify 12
f
+ 6(3 + 4
f
).
A.
54
f
B.
34
f
C.
16
f
+ 18
D.
36
f
+ 18
Hint
3.
Evaluate 2 × 17 × 5.
A.
180
B.
160
C.
170
D.
190
Hint
4.
Simplify 7(
b
+ 3) + 14.
A.
42
b
B.
7
b
+ 17
C.
7
b
+ 35
D.
24
b
Hint
5.
Simplify 2
x
+ 5
x
+ 4(
x
+ 3).
A.
11
x
+ 12
B.
23
x
C.
11
x
+ 3
D.
14
x
Hint