1.
There are 12 inches in every foot. Using
i
for the number of inches, write a rule that tells how many inches are in
f
feet.
A.
f
= 12 +
f
B.
i
= 12
f
C.
12 =
i
+
f
D.
f
= 12
i
Hint
2.
Tamika earns $9 per hour working at the library. She normally works 15 hours per week. How much does she earn in a typical week?
A.
$225
B.
$24
C.
$135
D.
$81
Hint
3.
Tamika earns $9 per hour working at the library. Develop a rule for the pay
p
received and the number of hours worked
h
.
A.
p
= 9
h
B.
h
= 9
p
C.
D.
Hint
4.
Nina earns $12 per hour as a sales clerk at the mall. If you added a line to the graph below to show Nina's pay, how would it compare to the other two graphs showing Tamika's and Jon's pay?
A.
The line would not appear on the graph because Nina makes so much more than Tamika and Jon.
B.
The line would be steeper.
C.
The line would be between Tamika's and Jon's lines.
D.
The line would be nearly horizontal.
Hint
5.
Find the relationship that is not proportional.
A.
S
= 180
n
– 360, where
S
is the sum of the interior angles in a polygon and
n
is the number of sides of the polygon.
B.
m
= 10
c
, where
m
is the number of millimeters and c is the number of centimeters.
C.
A
=
r
2
, where
A
is the area of a circle and
r
is the radius of the circle.
D.
p
= 4
s
, where
p
is the perimeter of a square and
s
is the length of one side of the square.
Hint