1.
Find the value of
r
in the following equation.
2 + 6
r
= 3
r
- 1
A.
6
B.
2
C.
D.
-1
Hint
2.
If 3.2
z
- 6 = 1.8 + 11
z
, what is the value of
z
?
A.
1
B.
0
C.
-1
D.
-2
Hint
3.
Solve 4
h
- 6 = 2.
A.
-1
B.
8
C.
32
D.
2
Hint
4.
Solve
.
A.
5
B.
2
C.
14
D.
7
Hint
5.
Solve the equation for
r
.
7
r
+ 6 = 4
r
– 9
A.
r
= –3
B.
r
= 6
C.
r
= –5
D.
r
= 2
Hint