How many permutations does a combination lock have if each combination has 5 numbers, no two numbers of the combination are the same, and the lock dial has 35 notches?
?
A. 116,867,520
B. 38,955,840
C. 77,911,680
D. 19,477,920
E. none of the above
Answer: B
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Find a positive angle less than 360° or 2? that is coterminal with the given angle.
A. 
B. 
C. - 
D. 
For the demand equation 
, where x represents the quantity demanded in units of a thousand and p is the unit price in dollars, select the demand curve.
?
A. ?
B. ?
C. ?
D. ?
E. ?
Find the equation of the line specified.The slope is 6, and it passes through (3, -6).
A. y = 6x - 6 B. y = 6x + 12 C. y = 6x - 24 D. y = 12x - 24
Solve the problem.A vendor sells hot dogs and bags of potato chips. A customer buys 3 hot dogs and 4 bags of potato chips for $6.75. Another customer buys 4 hot dogs and 2 bags of potato chips for $6.50. Find the cost of each item.
A. $0.75 for a hot dog; $1.25 for a bag of potato chips B. $1.25 for a hot dog; $1.00 for a bag of potato chips C. $1.25 for a hot dog; $0.75 for a bag of potato chips D. $1.50 for a hot dog; $1.00 for a bag of potato chips