1.
The expression 5(7 + 2) = 5(7) + 5(2) is an example of the
A.
Commutative Property of Multiplication.
B.
Associative Property of Multiplication.
C.
Commutative Property of Addition.
D.
Distributive Property.
Hint
2.
Simplify (
v
+ 6)3.
A.
3
v
+ 18
B.
3
v
+ 6
C.
3
v
+ 63
D.
v
+ 18
Hint
3.
Simplify 14(
b
– 10).
A.
14
b
– 10
B.
4
b
C.
14
b
– 140
D.
b
– 140
Hint
4.
Simplify –20(
z
– 5).
A.
20
z
– 5
B.
-20
z
– 5
C.
-20
z
+ 100
D.
20
z
+ 100
Hint
5.
Serefina has a part-time job that pays $6.75 an hour. During spring vacation, she worked two hours on Monday, five hours on Tuesday, and four hours on Thursday. How much money did Serefina earn over spring vacation?
A.
$74.25
B.
$81.00
C.
$67.50
D.
$60.75
Hint