1.
Find the value of 5 + 2
2
- 8 + 3.
A.
2
B.
-4
C.
4
D.
-2
Hint
2.
Evaluate
a
-
b
2
if
a
= 4 and
b
= 3.
A.
13
B.
-5
C.
1
D.
-13
Hint
3.
Evaluate
if
t
= 8,
u
= -2, and
v
= 5.
A.
0.56
B.
0.2
C.
2.8
D.
0.08
Hint
4.
An 18-foot ladder is placed 6 feet from the wall. Approximately how high does the ladder reach?
A.
19 ft
B.
17.0 ft
C.
17.8 ft
D.
12 ft
Hint
5.
Evaluate
z
– (2
yz
+
y
) ·
y
if
y
= -3 and
z
= 2.
A.
9
B.
47
C.
23
D.
-43
Hint