1.
Solve
A.
13
B.
19
C.
D.
Hint
2.
Find the value of
r
in the following equation.
2 + 6
r
= 3
r
- 1
A.
B.
6
C.
2
D.
-1
Hint
3.
What is the solution of 2.5
a
+ 12 = 5
a
?
A.
24
B.
2.5
C.
4.8
D.
30
Hint
4.
Determine the solution of
A.
B.
-10
C.
-20
D.
Hint
5.
Solve 7.9
q
+ 1.4 = -1.1
q
– 3.1.
A.
q
= -0.25
B.
q
= 0.25
C.
q
= 0.5
D.
q
= -0.5
Hint