1.
Simplify the expression 138
n
+ 272
n
.
A.
400
n
B.
310
n
C.
410
n
D.
500
n
Hint
2.
Write
w
+ 6 + 17 + 3
w
in simplest form.
A.
4
w
+ 23
B.
26
w
C.
w
+ 26
D.
3
w
+ 23
Hint
3.
Simplify the expression 12
n
+ (-5
n
) + 3
n
.
A.
10
n
B.
7
n
C.
-4
n
D.
-20
n
Hint
4.
Simplify (-16
c
) - (-4
c
).
A.
12
c
B.
-20
c
C.
-12
c
D.
20
c
Hint
5.
Simplify 10
x
– 5 + 4
x
+ 2(
x
– 7).
A.
16
x
– 19
B.
16
x
– 12
C.
16
x
– 2
D.
16
x
– 10
Hint