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.
Distributive Property.
D.
Commutative Property of Addition.
Hint
2.
What is another way to write (6 + 7)
x
?
A.
6(
x
) × 7(
x
)
B.
6(
x
) + 7
C.
6 + 7(
x
)
D.
6(
x
) + 7(
x
)
Hint
3.
Simplify 2(
x
+ 10).
A.
2
x
+ 10
B.
2
x
+ 20
C.
20
x
D.
12
x
Hint
4.
Simplify –11(
t
+ 1).
A.
-11
t
– 11
B.
11
t
+ 1
C.
-11
t
+ 1
D.
11
t
+ 11
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.
$81.00
B.
$74.25
C.
$60.75
D.
$67.50
Hint