1.
What is the value of 9 - [12 + (15 ÷ 3)]?
A.
0
B.
2
C.
-8
D.
26
Hint
2.
Find the value of
A.
14
B.
-14
C.
5
D.
-56
Hint
3.
Evaluate
a
-
b
2
if
a
= 4 and
b
= 3.
A.
-5
B.
13
C.
-13
D.
1
Hint
4.
An 18-foot ladder is placed 6 feet from the wall. Approximately how high does the ladder reach?
A.
17.8 ft
B.
19 ft
C.
17.0 ft
D.
12 ft
Hint
5.
Evaluate
z
– (2
yz
+
y
) ·
y
if
y
= -3 and
z
= 2.
A.
-43
B.
47
C.
23
D.
9
Hint