1.
The expression 5(7 + 2) = 5(7) + 5(2) is an example of the
A.
Associative Property of Multiplication.
B.
Commutative Property of Multiplication.
C.
Distributive Property.
D.
Commutative Property of Addition.
Hint
2.
Use the Distributive Property to evaluate 7(4 + 2).
A.
30
B.
42
C.
35
D.
146
Hint
3.
Simplify 2(
x
+ 10).
A.
2
x
+ 20
B.
20
x
C.
12
x
D.
2
x
+ 10
Hint
4.
Simplify –11(
t
+ 1).
A.
11
t
+ 1
B.
-11
t
– 11
C.
11
t
+ 11
D.
-11
t
+ 1
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.
$67.50
B.
$81.00
C.
$74.25
D.
$60.75
Hint