1.
Simplify 3(2
a
+
b
) + 6(
a
- 2
b
).
A.
12
a
- 9
b
B.
12
a
+
b
C.
12
a
+ 9
b
D.
12
a
+ 15
b
Hint
2.
Use the Distributive Property to simplify 11(
v
– 2).
A.
11
v
– 2
B.
11
v
– 22
C.
22 – 11
v
D.
11
v
+ 22
Hint
3.
Evaluate
, if
b
= 42.
A.
9
B.
-9
C.
6
D.
Hint
4.
Evaluate
a
(4 +
b
), if
a
= 4 and
b
= -12.
A.
-32
B.
-16
C.
4
D.
12
Hint
5.
Simplify –3
m
(–4
n
+ 8)
A.
12
mn
– 8
B.
12
mn
– 24
m
C.
–12
mn
– 24
m
D.
–12
mn
– 24
Hint