1.
Which of the following numbers is composite?
A.
9
B.
31
C.
1
D.
23
Hint
2.
What is the greatest common factor of 36 and 45?
A.
45
B.
9
C.
3
D.
36
Hint
3.
Express 0.32 as a fraction.
A.
3.2
B.
C.
D.
Hint
4.
Find the least common multiple of 6 and 15.
A.
3
B.
15
C.
60
D.
30
Hint
5.
Find the least common denominator for
and
A.
5
B.
10
C.
50
D.
15
Hint
6.
Express
in simplest form.
A.
B.
C.
D.
Hint
7.
Express 31
per hundred as a percent.
A.
0.31
%
B.
31%
C.
31
%
D.
31
Hint
8.
Write
as a decimal.
A.
0.85
B.
8.5
C.
0.085
D.
0.805
Hint
9.
What is the greatest common factor of 39 and 18?
A.
9
B.
3
C.
6
D.
13
Hint
10.
Express
in simplest form.
A.
B.
C.
D.
Hint
11.
Express
as a percent.
A.
6%
B.
3%
C.
12%
D.
15%
Hint
12.
Express 0.24 as a fraction.
A.
B.
C.
D.
Hint
13.
Find the least common multiple of 6, 8, and 10.
A.
140
B.
120
C.
86
D.
240
Hint
14.
Find the least common denominator for
and
.
A.
56
B.
24
C.
112
D.
14
Hint
15.
Express 0.47 as a percent.
A.
47%
B.
470%
C.
4.7%
D.
0.47%
Hint
16.
Factor 18
a
b
2
.
A.
2
2
· 3 ·
a
·
b
·
b
B.
2 · 3 · 3 ·
a
·
b
·
b
C.
2 · 3 ·
a
·
b
·
b
D.
2 · 3 · 3 ·
a
·
b
Hint