1.
Simplify 6
g
(-3
h
- 4).
A.
-18
g
h
- 4
B.
-18
g
h
- 24
g
C.
6
g
h
- 4
D.
-18
g
- 4
Hint
2.
Find –8
x
3
y
2
(3
xy
4
– 2
x
5
–
y
).
A.
–24
x
4
y
6
+ 16
x
15
y
2
+ 8
x
3
y
3
B.
–24
x
4
y
6
- 16
x
8
y
2
+ 8
x
3
y
3
C.
–5
x
4
y
6
- 10
x
8
y
2
- 9
x
3
y
3
D.
–24
x
4
y
6
+ 16
x
8
y
2
+ 8
x
3
y
3
Hint
3.
Simplify 5
a
(4
a
2
– 2
a
) + 3
a
(-2
a
2
+ 4
a
).
A.
2
a
2
+ 10
a
B.
14
a
3
+ 2
a
2
C.
14
a
2
+ 2
a
D.
10
a
3
+ 4
a
2
Hint
4.
A worker has a cafeteria meal plan. The plan requires her to pay $20 for the card, and $1 each time
x
she uses it. If the company sells 100 cards, what is its total revenue?
A.
2000 + 100
x
B.
100
x
C.
2000
D.
2100
Hint
5.
Simplify
A.
B.
C.
D.
Hint