1.
Simplify (18
q
3
r
)(2
q
r
4
).
A.
36
q
3
r
4
B.
36
q
r
C.
36
q
3
r
5
D.
36
q
4
r
5
Hint
2.
Name the property illustrated by the equation 5 ·? (-2 – 7) = 5 ·? -2 – 5 ·? 7.
A.
Distributive Property
B.
Commutative Property
C.
Inverse Property
D.
Associative Property
Hint
3.
Simplify the expression 8 (
a
+ 2
b
) – 7
b
+ 6 (3
a
–
b
).
A.
152
a
– 88
b
B.
26
a
– 6
b
C.
4
a
– 6
b
D.
26
a
+ 3
b
Hint
4.
Simplify
A.
B.
27
x
3
n
y
6
C.
D.
Hint
5.
If
a
= 3 and
b
= 4, what is
A.
432
B.
468
C.
246
D.
540
Hint