1.
Find
. Write the difference in simplest form.
A.
B.
C.
-2
D.
Hint
2.
Evaluate
if
.
A.
B.
C.
D.
Hint
3.
Solve
z
=
–
.
A.
B.
1
C.
D.
Hint
4.
Find
+
written in simplest form.
A.
B.
C.
D.
Hint
5.
Find
+
written in simplest form.
A.
1
B.
1
C.
D.
Hint