Which of the following is not true about permutations?
?
A. Order matters. The arrangement AB is a different result than BA.
B. Drawing a picture of all possible outcomes, to help you find the probability of an event, is conceivable in certain situations.
C. Finding the probability of selecting candidates for the positions: secretary, treasurer, and administration assistant requires the use of permutation.
D. Find the probability of selecting candidates for five administrate assistant positions requires the use of permutation.
E. ?None of the above.
Answer: D
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Solve.The MetroCity paint company is planning to produce a new line of paint. The paint will be produced by the gallon. For the first year, the fixed costs for setting up production are $4000. The variable costs for producing each gallon are $15. The revenue for each gallon is $40. Find the total profit P(x) from the production and sale of x gallons.
A. P(x) = 15x - 4000 B. P(x) = 25x - 4000 C. P(x) = 4000x D. P(x) = 4000 + 15x
Find the zero of the linear function.f(x) = 3 - 7x
A. 
B. - 
C. 
D. - 
Solve the problem.If the resistance in an electrical circuit is held constant, the amount of current flowing through the circuit is directly proportional to the amount of voltage applied to the circuit. When 
are applied to a circuit, 
of current flow through the circuit. Find the new current if the voltage is increased to 
A. 108 milliamperes B. 48 milliamperes C. 130 milliamperes D. 120 milliamperes
Find the missing value and write a conclusion.60% of 3820 is what number?
A. 60% of 3820 is 229,200. B. 60% of 3820 is 229. C. 60% of 3820 is 22,920. D. 60% of 3820 is 2292.