1.
Write
as a rational expression.
A.
B.
C.
D.
Hint
2.
A.
B.
C.
D.
Hint
3.
Simplify
.
A.
B.
C.
D.
Hint
4.
Simplify
.
A.
B.
9
C.
D.
Hint
5.
Cynthia has earned 81 total points on quizzes, and she has averaged a
on them. How many quizzes has she taken?
A.
7
B.
5
C.
3
D.
6
Hint
on them. How many quizzes has she taken?