Solve the problem.The logistic growth model 
represents the population of a species introduced into a new territory after t years. When will the population be 70?
A. 2.31 years
B. 0.91 years
C. 13.41 years
D. 14.81 years
Answer: D
Mathematics
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Convert.3.3 km = _____ mm
A. 3300 B. 33,000,000 C. 3,300,000 D. 330,000
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Solve the system by the addition method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. no solution; ? B. {(-9, 4)} C. {(4, 9)} D. {(5, 8)}
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Solve the problem.A race car driver's speed is clocked at 142.042 mph at the end of her first lap, and at 160.505 mph at the end of the next lap. How much faster was she driving at the end of the second lap than at the end of the first?
A. 17.463 mph B. 18.563 mph C. 18.463 mph D. 18.473 mph
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Convert the fraction to a percent. 
A. 2.4% B. 80% C. 0.4% D. 240%
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