1.
Write
as a rational expression.
A.
B.
C.
D.
Hint
2.
A.
B.
C.
D.
Hint
3.
A.
B.
C.
D.
Hint
4.
Simplify
.
A.
B.
C.
D.
Hint
5.
Simplify
.
A.
B.
9
C.
D.
Hint
as a rational expression.