1.
Simplify the expression
b
+ 14
b
.
A.
14
b
2
B.
15
b
C.
13
b
D.
14
b
Hint
2.
Simplify the expression 12
n
+ (-5
n
) + 3
n
.
A.
7
n
B.
-4
n
C.
-20
n
D.
10
n
Hint
3.
Simplify 7
a
+ 3
a
.
A.
10
a
B.
4
a
C.
10
aa
D.
21
a
Hint
4.
Simplify 12
b
– 11 –
b
– 9.
A.
11
b
– 20
B.
13
b
– 2
C.
-9
b
D.
11
b
– 2
Hint
5.
Simplify 10
x
– 5 + 4
x
+ 2(
x
– 7).
A.
16
x
– 12
B.
16
x
– 2
C.
16
x
– 19
D.
16
x
– 10
Hint