1.
Simplify the expression 138
n
+ 272
n
.
A.
500
n
B.
310
n
C.
410
n
D.
400
n
Hint
2.
Write
w
+ 6 + 17 + 3
w
in simplest form.
A.
3
w
+ 23
B.
26
w
C.
4
w
+ 23
D.
w
+ 26
Hint
3.
Simplify the expression 12
n
+ (-5
n
) + 3
n
.
A.
-4
n
B.
-20
n
C.
10
n
D.
7
n
Hint
4.
Simplify (-16
c
) - (-4
c
).
A.
-12
c
B.
20
c
C.
12
c
D.
-20
c
Hint
5.
Simplify 2
n
+ 6(
n
– 7).
A.
8
n
– 42
B.
15
n
C.
8
n
– 7
D.
n
Hint