The table below shows the initial population and growth rate for several large cities.
City City 1 City 2 City 3 City 4 Initial population (millions) 8.41 4.77 2.44 5.61 Growth rate 0.17 million per year -0.21 million per year -3.38 million per year 4.13 million per year?
Use a formula to express the expected combined population N, in millions, of the four cities after t years.
?
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Divide to find the exact answer. Express the answer as a whole or mixed number when possible and simplify.3
÷ 1
A. 2
B. 2
C. 2
D. 3
Mathematics
Simplify.
4
A. 
B. 
C. 
D. 
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Find the APR.
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Mathematics
Solve the problem.A chemist needs 150 milliliters of a 45% solution but has only 25% and 55% solutions available. Find how many milliliters of each that should be mixed to get the desired solution.
A. 60 milliliters of 25%; 100 milliliters of 55% B. 100 milliliters of 25%; 50 milliliters of 55% C. 60 milliliters of 25%; 110 milliliters of 55% D. 50 milliliters of 25%; 100 milliliters of 55%
Mathematics