1.
Find the greatest common factor of 168 and 288.
A.
24
B.
36
C.
48
D.
2
Hint
2.
What is the greatest common factor of 18
mn
2
, 54
m
4
, and 80
n
3
?
A.
18
m
2
n
3
B.
2
mn
2
C.
9
mn
D.
2
Hint
3.
Find the GCF of 16
a
3
b
2
and 12
a
2
b
.
A.
2
ab
B.
4
a
2
b
C.
2
a
2
b
D.
4
ab
Hint
4.
Find the GCF of 17
r
4
s
4
and 23
r
s
4
.
A.
17
r
s
4
B.
r
4
s
4
C.
rs
D.
r
s
4
Hint
5.
The area of a rectangle can be written by the expression 24
x
4
+ 18
x
3
. Find a set of possible dimensions for this rectangle.
A.
3 by 8
x
3
+ 6
x
3
B.
24
x
3
by
x
+ 18
C.
2
x
4
by 12 + 9
x
D.
6
x
3
by 4
x
+ 3
Hint