1.
Evaluate 3
x
+ 2
y
if
x
= 3 and
y
= 7.
A.
27
B.
5
C.
105
D.
23
Hint
2.
Evaluate
x
+ 5
y
if
x
= 12 and
y
= 9.
A.
57
B.
153
C.
71
D.
47
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.
22
B.
16
C.
26
D.
14
Hint
5.
What is 81 + 40?
A.
181
B.
121
C.
140
D.
120
Hint
6.
What is 64 ÷ 2?
A.
16
B.
24
C.
32
D.
48
Hint
7.
What is 45 ÷ 5?
A.
3
B.
9
C.
8
D.
15
Hint
8.
Round 16 to the nearest tens place.
A.
20
B.
6
C.
1
D.
10
Hint
9.
Round 34 to the nearest tens place.
A.
40
B.
30
C.
35
D.
4
Hint
10.
Round 127 to the nearest tens place.
A.
120
B.
130
C.
100
D.
125
Hint