1.
Simplify (4
x
3
) (3
x
5
).
A.
7
x
8
B.
7
x
15
C.
12
x
8
D.
12
x
15
Hint
2.
Simplify (4
y
4
)
3
.
A.
64
y
12
B.
12
y
12
C.
64
y
64
D.
12
y
3
Hint
3.
Simplify (4
x
2
y
) (2
x
y
2
z
3
)
3
.
A.
24
x
5
y
7
z
9
B.
32
x
5
y
7
z
9
C.
8
x
5
y
7
z
9
D.
32
x
6
y
6
z
9
Hint
4.
Simplify ((2
2
)
3
)
4
.
A.
2
24
=16,777,216
B.
2
12
= 4096
C.
2
9
= 512
D.
2
20
= 1,048,576
Hint
5.
Suppose that the base of a triangle is 3
x
y
and its height is also 3
x
y
. What is its area, expressed as a monomial?
A.
6
x
2
y
2
B.
x
4
C.
D.
Hint