1.
Simplify (7
a
4
b
) (8
a
7
b
6
).
A.
15
a
11
b
7
B.
56
a
11
b
7
C.
56
a
28
b
6
D.
15
a
28
b
6
Hint
2.
Simplify (3
a
4
b
5
c
)
4
.
A.
81
a
16
b
20
c
4
B.
3
a
16
b
20
c
4
C.
7
a
16
b
20
c
4
D.
12
a
8
b
9
c
5
Hint
3.
Find the volume of the rectangular solid shown below.
A.
24
a
4
b
8
B.
24
a
2
b
7
C.
9
a
4
b
8
D.
24
a
2
b
10
Hint
4.
Simplify ((2
2
)
3
)
4
.
A.
2
9
= 512
B.
2
12
= 4096
C.
2
20
= 1,048,576
D.
2
24
=16,777,216
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.
B.
C.
x
4
D.
6
x
2
y
2
Hint