1.
Simplify (7
a
4
b
) (8
a
7
b
6
).
A.
56
a
11
b
7
B.
56
a
28
b
6
C.
15
a
28
b
6
D.
15
a
11
b
7
Hint
2.
Simplify (4
y
4
)
3
.
A.
64
y
64
B.
12
y
3
C.
64
y
12
D.
12
y
12
Hint
3.
Simplify (3
a
4
b
2
)
2
(2
a
3
bc
2
)
3
.
A.
17
a
12
b
8
c
5
B.
36
a
17
b
7
c
6
C.
72
a
17
b
7
c
6
D.
6
a
17
b
7
c
6
Hint
4.
Find the volume of the rectangular solid shown below.
A.
9
a
4
b
8
B.
24
a
2
b
7
C.
24
a
4
b
8
D.
24
a
2
b
10
Hint
5.
Which expression is equivalent to ((3
2
)
4
)
3
?
A.
9
6
B.
9
9
C.
27
12
D.
81
6
Hint