Solve the problem.In the formula N = Iekt, N is the number of items in terms of an initial population I at a given time t and k is a growth constant equal to the percent of growth per unit time. There are currently 62 million cars in a certain country, increasing by 4.8% annually. How many years will it take for this country to have 82 million cars? Round to the nearest year.
A. 62 yr
B. 6 yr
C. 3 yr
D. 4 yr
Answer: B
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Solve the problem.The temperature, t, in degrees Fahrenheit, of water 
66 + 
m where m is the number of minutes since heating began. How long will it take for the temperature of the water to reach 70 degrees Fahrenheit?
A. 12 min B. 24 min C. 6 min D. 9 min
Find the monthly payment. Use the following table.
Beneficiary Age: 65Sex: FFace value: $65,000Settlement option: Life annuity
A. $386.10 B. $384.15 C. $372.45 D. $450.45
Solve the problem.Bicycles are often on sale in September. The regular price of one bicycle is $85.95. With a 20% discount, what is the sale price of the bicycle? Round to the nearest cent.
A. $17.44 B. $17.19 C. $68.76 D. $69.01
Multiply. Write your answer in a + bi form.(4 - 3i)(3 + 3i)
A. -9i2 + 3i + 12 B. 21 + 3i C. 21 - 3i D. 3 - 21i