1.
Rewrite 16 × 0.4 + 16 × 10 using the distributive property.
A.
16 + (0.4 + 10)
B.
16 + (0.4 × 10)
C.
16(0.4 + 10)
D.
16(0.4 × 10)
Hint
2.
What is another way to write (6 + 7)
x
?
A.
6 + 7(
x
)
B.
6(
x
) × 7(
x
)
C.
6(
x
) + 7(
x
)
D.
6(
x
) + 7
Hint
3.
Using
n
to represent the number of blocks in each bag, write an algebraic expression for the total number of blocks.
A.
3
n
+ 3
B.
4
n
+ 3
C.
4
n
+ 4
D.
3
n
+ 4
Hint
4.
Complete the flowchart by filling in the ovals.
A.
B.
C.
D.
Hint
5.
Find an explanation for the expression 5
a
+ 3.
A.
If
a
is the price of an anchovy pizza in dollars, 5
a
+ 3 is the price of 8 anchovy pizzas.
B.
If
a
is the price of an anchovy pizza in dollars, 5
a
+ 3 is the total cost of 3 anchovy pizzas with a delivery fee of $5.
C.
If
a
is the price of an anchovy pizza in dollars, 5
a
+ 3 is the total cost of 5 anchovy pizzas with a delivery fee of $8.
D.
If
a
is the price of an anchovy pizza in dollars, 5
a
+ 3 is the total cost of 5 anchovy pizzas with a delivery fee of $3.
Hint
6.
Using the formula for the area of a trapezoid
, find
A
if
h
= 7 cm,
b
1
= 3 cm, and
b
2
= 5 cm.
A.
18 cm
2
B.
25 cm
2
C.
28 cm
2
D.
7.5 cm
2
Hint