1.
Solve
A.
13
B.
C.
19
D.
Hint
2.
Find the value of
r
in the following equation.
2 + 6
r
= 3
r
- 1
A.
B.
2
C.
-1
D.
6
Hint
3.
What is the solution of 2.5
a
+ 12 = 5
a
?
A.
2.5
B.
4.8
C.
30
D.
24
Hint
4.
If 3.2
z
- 6 = 1.8 + 11
z
, what is the value of
z
?
A.
1
B.
0
C.
-1
D.
-2
Hint
5.
Determine the solution of
A.
-10
B.
C.
D.
-20
Hint