1.
Use the formula
d
=
rt
to find the rate
r
of travel if
t
= 3.5 hours
and
d
= 203 miles.
A.
58 miles per hour
B.
63 miles per hour
C.
53 miles per hour
D.
68 miles per hour
Hint
2.
The formula F =
C + 32 is used to convert the temperature in degrees
Celsius to degrees Fahrenheit. If the temperature outside is 18° Celsius,
what is the temperature in degrees Fahrenheit?
A.
64.4° F
B.
13.6° F
C.
38.8° F
D.
42.0° F
Hint
3.
George and a group of his friends are going to a baseball game. Tickets cost $12 apiece and a program costs $5. If George and his friends go to the game and only George buys a program, write an expression for the total amount that George and his friends spent at the game. Use
t
for the number of tickets bought.
A.
5(
t
+ 12)
B.
5
t
+ 12
C.
12(
t
+ 5)
D.
12
t
+ 5
Hint
4.
Find an explanation for the expression 5
a
+ 3.
A.
If
a
is the price of an anchovy pizza in dollars, 5
a
+ 3 is the total cost of 3 anchovy pizzas with a delivery fee of $5.
B.
If
a
is the price of an anchovy pizza in dollars, 5
a
+ 3 is the price of 8 anchovy pizzas.
C.
If
a
is the price of an anchovy pizza in dollars, 5
a
+ 3 is the total cost of 5 anchovy pizzas with a delivery fee of $8.
D.
If
a
is the price of an anchovy pizza in dollars, 5
a
+ 3 is the total cost of 5 anchovy pizzas with a delivery fee of $3.
Hint
5.
Using the formula for the area of a trapezoid
, find
A
if
h
= 7 cm,
b
1
= 3 cm, and
b
2
= 5 cm.
A.
25 cm
2
B.
28 cm
2
C.
7.5 cm
2
D.
18 cm
2
Hint