1.
Simplify
Assume the denominator is not equal to zero.
A.
B.
C.
D.
Hint
2.
Simplify
.
A.
x
3
y
B.
x
2
y
C.
x
2
y
2
D.
x
3
y
2
Hint
3.
Simplify 6
9
÷ 6
6
.
A.
6
54
B.
36
C.
D.
216
Hint
4.
Simplify
a
7
·
a
8
.
A.
B.
a
15
C.
a
56
D.
a
1
Hint
5.
Simplify
A.
B.
C.
D.
Hint
Assume the denominator is not equal to zero.