1.
Evaluate 3
x
+ 2
y
if
x
= 3 and
y
= 7.
A.
5
B.
27
C.
105
D.
23
Hint
2.
Evaluate 7 × (
a
- 4) if
a
= 9.
A.
35
B.
28
C.
59
D.
63
Hint
3.
Evaluate
x
+ 5
y
if
x
= 12 and
y
= 9.
A.
153
B.
57
C.
71
D.
47
Hint
4.
Evaluate
j
-
k
if
j
= 10 and
k
= 2.
A.
12
B.
20
C.
5
D.
8
Hint
5.
What is 94 - 78?
A.
26
B.
22
C.
14
D.
16
Hint
6.
Find 36 - 29.
A.
7
B.
17
C.
18
D.
13
Hint
7.
What is 81 + 40?
A.
140
B.
181
C.
121
D.
120
Hint
8.
What is 45 ÷ 5?
A.
8
B.
3
C.
15
D.
9
Hint
9.
Round 34 to the nearest tens place.
A.
4
B.
30
C.
35
D.
40
Hint
10.
Round 127 to the nearest tens place.
A.
125
B.
130
C.
120
D.
100
Hint