A computer password is made up of four characters. Each character can be a capital letter (A through Z), a lowercase letter (a through z) or a digit (0 through 9).How many passwords do not contain the uppercase letter O, the lowercase o, or the number 0?
A. 59 × 58 × 57 ×56
B. 62 × 25 × 25 × 9
C. 624 - 3
D. 594
E. none of these
Answer: D
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Solve the problem.If a satellite is placed in a circular orbit of 220 kilometers above the Earth, what is the equation of the path of the satellite if the origin is placed at the center of the Earth (the diameter of the Earth is approximately 12,740 kilometers)?
A. x2 + y2 = 167,961,600 B. x2 + y2 = 48,400 C. x2 + y2 = 43,428,100 D. x2 + y2 = 40,576,900
Solve the problem.The owner of a factory finds that the price, p (in dollars), of an item is given by the equation 
where x is the daily demand. Find the price of the item when the daily demand is 88 units.
A. $72.90 B. $8.77 C. $8.10 D. $17.10
Find the constant a such that the function
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?
is continuous on the entire real line.
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A. 1 B. -11 C. 11 D. 13 E. -13
Use the given values to evaluate (if possible) three trigonometric functions 
.
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?
A. ?
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B. ?
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C. ?
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D. ?
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E. ?
