1.
What is the solution of 4.1 + 2
p
= 6.5?
A.
2.4
B.
1.2
C.
8.9
D.
6.5
Hint
2.
What is the solution of 2.5
a
+ 12 = 5
a
?
A.
24
B.
30
C.
2.5
D.
4.8
Hint
3.
If 3.2
z
- 6 = 1.8 + 11
z
, what is the value of
z
?
A.
1
B.
0
C.
-1
D.
-2
Hint
4.
Determine the solution of
A.
-10
B.
C.
-20
D.
Hint
5.
Solve the equation for
r
.
7
r
+ 6 = 4
r
– 9
A.
r
= 6
B.
r
= 2
C.
r
= –5
D.
r
= –3
Hint