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1. |
Use the formula d = rt to find the rate r of travel if t = 3.5 hours
and d = 203 miles. |
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A. |
53 miles per hour |
B. |
58 miles per hour |
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C. |
68 miles per hour |
D. |
63 miles per hour |
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Hint |
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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? |
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A. |
13.6° F |
B. |
64.4° F |
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C. |
42.0° F |
D. |
38.8° F |
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Hint |
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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. |
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A. |
12t + 5 |
B. |
5t + 12 |
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C. |
12(t + 5) |
D. |
5(t + 12) |
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Hint |
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4. |
Find an explanation for the expression s + 3. |
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A. |
If s is the number of sunny days, s + 3 is the number of sunny days 3 years ago. |
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B. |
If s is the number of sunny days, s + 3 is the number of sunny days in March, the third month of the year. |
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C. |
If s is the number of students in the classroom, s + 3 is the number of students after 3 new students join the class. |
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D. |
If s is the number of students in the classroom, s + 3 is the number of students after 3 students leave the class. |
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Hint |
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5. |
Using the formula for the area of a trapezoid  , find A
if h = 7 cm, b1 = 3 cm, and b2 = 5 cm. |
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A. |
18 cm2 |
B. |
25 cm2 |
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C. |
7.5 cm2 |
D. |
28 cm2 |
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Hint |
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