1.
Find
DF
if
D
is between
E
and
F
,
ED
= 6
x
- 4,
DF
= 3
x
+ 5, and
EF
= 46.
A.
26
B.
28
C.
20
D.
22
Hint
2.
Find
S
T
if
S
is between
R
and
T
,
S
R
= 2
x
+ 7,
S
T
=
x
- 6, and
R
T
= 100
A.
74
B.
27
C.
33
D.
99
Hint
3.
What is the precision of a measurement of
feet?
A.
ft
B.
1 in.
C.
1 ft
D.
ft
Hint
4.
Find
AC
.
A.
3.5 cm
B.
1.5 cm
C.
4.9 cm
D.
5.0 cm
Hint
5.
If
DF
= 15 and
DE
= 6, find
EF
if
E
is between
D
and
F
A.
12
B.
21
C.
6
D.
9
Hint