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1. |
Solve the formula I = prt, if p = 525, r = 0.04, and t = 2. |
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A. |
42 |
B. |
420 |
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C. |
21 |
D. |
210 |
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Hint |
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2. |
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. |
68 miles per hour |
B. |
58 miles per hour |
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C. |
53 miles per hour |
D. |
63 miles per hour |
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Hint |
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3. |
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. |
 |
B. |
350h |
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C. |
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D. |
21,000h |
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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 students in the classroom, s + 3 is the number of students after 3 new students join the class. |
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C. |
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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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. |
7.5 cm2 |
B. |
28 cm2 |
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C. |
25 cm2 |
D. |
18 cm2 |
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Hint |
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