1.
Simplify (4
x
3
) (3
x
5
).
A.
7
x
15
B.
12
x
8
C.
7
x
8
D.
12
x
15
Hint
2.
Simplify (4
y
4
)
3
.
A.
64
y
12
B.
12
y
12
C.
12
y
3
D.
64
y
64
Hint
3.
Simplify (3
a
4
b
5
c
)
4
.
A.
81
a
16
b
20
c
4
B.
12
a
8
b
9
c
5
C.
3
a
16
b
20
c
4
D.
7
a
16
b
20
c
4
Hint
4.
Find the volume of the rectangular solid shown below.
A.
24
a
2
b
10
B.
9
a
4
b
8
C.
24
a
2
b
7
D.
24
a
4
b
8
Hint
5.
Which expression is equivalent to ((3
2
)
4
)
3
?
A.
9
9
B.
9
6
C.
27
12
D.
81
6
Hint