1.
The expression 5(7 + 2) = 5(7) + 5(2) is an example of the
A.
Commutative Property of Addition.
B.
Associative Property of Multiplication.
C.
Distributive Property.
D.
Commutative Property of Multiplication.
Hint
2.
What is another way to write (6 + 7)
x
?
A.
6(
x
) + 7
B.
6(
x
) + 7(
x
)
C.
6(
x
) × 7(
x
)
D.
6 + 7(
x
)
Hint
3.
Use the Distributive Property to evaluate 7(4 + 2).
A.
146
B.
42
C.
35
D.
30
Hint
4.
Simplify 2(
x
+ 10).
A.
20
x
B.
2
x
+ 20
C.
2
x
+ 10
D.
12
x
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.
$67.50
C.
$81.00
D.
$60.75
Hint