1.
Evaluate 3
x
+ 2
y
if
x
= 3 and
y
= 7.
A.
23
B.
5
C.
27
D.
105
Hint
2.
Evaluate
x
+ 5
y
if
x
= 12 and
y
= 9.
A.
57
B.
71
C.
47
D.
153
Hint
3.
Evaluate
j
-
k
if
j
= 10 and
k
= 2.
A.
12
B.
5
C.
20
D.
8
Hint
4.
What is 94 - 78?
A.
26
B.
16
C.
14
D.
22
Hint
5.
What is 81 + 40?
A.
121
B.
140
C.
181
D.
120
Hint
6.
What is 45 ÷ 5?
A.
3
B.
9
C.
15
D.
8
Hint
7.
Find 19 × 7.
A.
123
B.
113
C.
103
D.
133
Hint
8.
Round 16 to the nearest tens place.
A.
6
B.
10
C.
20
D.
1
Hint
9.
Round 34 to the nearest tens place.
A.
4
B.
40
C.
30
D.
35
Hint
10.
Round 127 to the nearest tens place.
A.
130
B.
125
C.
120
D.
100
Hint