1.
Simplify 3(2
a
+
b
) + 6(
a
- 2
b
).
A.
12
a
+
b
B.
12
a
+ 9
b
C.
12
a
+ 15
b
D.
12
a
- 9
b
Hint
2.
Use the distributive property to rewrite
without parentheses.
A.
B.
24
x
- 3
C.
24
x
- 4
D.
24
x
- 24
Hint
3.
Use the Distributive Property to simplify 7(6
x
2
+ 5
x
+ 4).
A.
42
x
2
+ 35
x
+ 28
B.
42
x
2
+ 5
x
+ 4
C.
42
x
2
+35
x
+ 21
D.
42
x
2
+ 35
x
+ 4
Hint
4.
Simplify
.
A.
2
b
+ 4
B.
2
b
+ 8
C.
4
b
+ 4
D.
6
b
Hint
5.
Evaluate
a
(4 +
b
), if
a
= 4 and
b
= -12.
A.
-32
B.
12
C.
-16
D.
4
Hint