1.
Simplify 3(2
a
+
b
) + 6(
a
- 2
b
).
A.
12
a
+ 9
b
B.
12
a
- 9
b
C.
12
a
+
b
D.
12
a
+ 15
b
Hint
2.
Use the distributive property to rewrite 3(5 +
y
) without parentheses.
A.
15 +
y
B.
8 +
y
C.
15 + 3
y
D.
8 + 3
y
Hint
3.
Use the Distributive Property to simplify 11(
v
– 2).
A.
11
v
– 2
B.
11
v
– 22
C.
11
v
+ 22
D.
22 – 11
v
Hint
4.
Evaluate
, if
b
= 42.
A.
9
B.
C.
-9
D.
6
Hint
5.
Evaluate
a
(4 +
b
), if
a
= 4 and
b
= -12.
A.
4
B.
12
C.
-16
D.
-32
Hint