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1. |
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. |
38.8° F |
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C. |
42.0° F |
D. |
64.4° F |
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Hint |
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2. |
A CD rotates in a CD player at about 350 revolutions per minute. How many revolutions would the CD have made after h hours? |
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A. |
350h |
B. |
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C. |
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D. |
21,000h |
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Hint |
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3. |
Find an explanation for the expression s + 3. |
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A. |
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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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 sunny days, s + 3 is the number of sunny days 3 years ago. |
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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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4. |
Find an explanation for the expression 5a + 3. |
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A. |
If a is the price of an anchovy pizza in dollars, 5a + 3 is the total cost of 3 anchovy pizzas with a delivery fee of $5. |
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B. |
If a is the price of an anchovy pizza in dollars, 5a + 3 is the total cost of 5 anchovy pizzas with a delivery fee of $3. |
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C. |
If a is the price of an anchovy pizza in dollars, 5a + 3 is the price of 8 anchovy pizzas. |
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D. |
If a is the price of an anchovy pizza in dollars, 5a + 3 is the total cost of 5 anchovy pizzas with a delivery fee of $8. |
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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. |
28 cm2 |
B. |
25 cm2 |
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C. |
7.5 cm2 |
D. |
18 cm2 |
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Hint |
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