1.
Evaluate 2
c
- 4
k
if
c
= 16 and
k
= 5.
A.
18
B.
52
C.
12
D.
16
Hint
2.
Find the solution of 72 +
z
= 84 if the value of
z
can be selected from the set {4, 8, 12, 16}.
A.
16
B.
4
C.
12
D.
8
Hint
3.
Evaluate 2
3
+ 5 × (6 + 4) ÷ 2.
A.
33
B.
65
C.
41
D.
108
Hint
4.
Evaluate (3 + 10 ÷ 2 – 6 + 18) ÷ 2
2
.
A.
6.5
B.
5
C.
4.625
D.
10
Hint
5.
Evaluate 4
a
+ 2
b
– 3
c
if
a
= 2,
b
= 3, and
c
= 4.
A.
2
B.
6
C.
31
D.
11
Hint