1.
Write an expression for the area of the rectangle shown below.
A.
12
xy
2
+ 4
x
3
y
B.
6
xy
2
+ 4
x
3
y
C.
9
x
2
y
4
+ 12
x
4
y
3
D.
6
xy
2
+ 7
x
3
y
Hint
2.
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.
2100
C.
100
x
D.
2000
Hint
3.
A cafeteria has two meal plans. One requires the worker to pay $20 for the card, and $1 each time
x
she uses it. The other plan requires the worker to pay $30 for the card, but only $0.50 each time
x
she uses it. After how many uses will the workers with different plans have spent the same amount of money?
A.
20 uses
B.
It will never happen.
C.
5 uses
D.
10 uses
Hint
4.
What is the area a triangle if
b
= 2
y
and
h
= 3
x
+ 5?
A.
6
xy
+ 10
y
B.
3
xy
+ 5
y
C.
D.
3
xy
+ 5
Hint
5.
Simplify
A.
B.
C.
D.
Hint