1.
Evaluate 3
x
+ 2
y
if
x
= 3 and
y
= 7.
A.
5
B.
27
C.
23
D.
105
Hint
2.
Evaluate 7 × (
a
- 4) if
a
= 9.
A.
28
B.
35
C.
63
D.
59
Hint
3.
Evaluate
a
b
+ 8 if
a
= 4 and
b
= 7
A.
36
B.
60
C.
55
D.
28
Hint
4.
Evaluate
j
-
k
if
j
= 10 and
k
= 2.
A.
20
B.
5
C.
8
D.
12
Hint
5.
What is 94 - 78?
A.
26
B.
14
C.
16
D.
22
Hint
6.
What is 64 ÷ 2?
A.
32
B.
16
C.
48
D.
24
Hint
7.
What is 45 ÷ 5?
A.
8
B.
3
C.
15
D.
9
Hint
8.
Find 19 × 7.
A.
103
B.
133
C.
113
D.
123
Hint
9.
Round 16 to the nearest tens place.
A.
6
B.
1
C.
10
D.
20
Hint
10.
Round 127 to the nearest tens place.
A.
125
B.
130
C.
100
D.
120
Hint