13.
If
3
1
6
−
=
x
x
then x = ?
A.
18
B.
4/3
C.
4
D.
10
14.
Laurie has a babysitting job. She can work up to 7 days/ week. She charges $5/hour. For the past
week her pay was $5, $15, $10, $20, $30. In the following week, she would like to babysit for an
additional day (she baby sat for 5 days in the previous week). How many hours does she need to
work for that day to increase her average pay per week by $4?
A.
9 hours
B.
8 hours
C.
She will have to work two additional days because she needs to add 40 hours
D.
5 hours
15.
Jamie would like to build a tall circular fence around her garden. The garden space takes up 36
square feet. About approximately how much fencing material will she need to enclose her
garden?
A.
12
π
B.
π
C.
6
D.
π
36
16.
What are possible solutions for (x
4
-256)
A.
(x-16)(x+16)
B.
(x
2
-16) (x+4)(x-4)
C.
(x
2
+16)(x+4)(x-4)
D.
(x-4)
4
17.
A rectangular kitchen is 15ft long and the width is short of half of the length by 2.5ft. There is a
table whose length is equal to the width of the kitchen. If the table’s perimeter is 16, then what
is the length and width of the table?
A.
L= 5.5, W= 2.5
B.
L= 5, W =3
C.
L = 16, W= 1
D.
There is not enough information
18.
The table below shows the average grades of the students in 10 college classes. From this data,
what grade is the most frequent (mode), what grade is a median?