Solve the problem.If a computer prints 5.5 lines in 5 seconds, how many lines can it print per minute? (Round to the nearest tenth.)
A. 66.0 lines
B. 67.5 lines
C. 66.5 lines
D. 67.0 lines
Answer: A
Mathematics
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Express the following logarithm as specified.
in terms of ln 5 and ln 7
A. 
B. 1
C. 
D. 
Mathematics
Solve the problem.The population of a particular city is increasing at a rate proportional to its size. It follows the function 
where k is the current population and t is the time in years. If the current population is 18,000, in how many years is the population expected to be 45,000? (Round to the nearest year.)
A. 13 yr B. 7 yr C. 82 yr D. 6 yr
Mathematics
Express as a single logarithm and, if possible, simplify.5logb t - logb s
A. logb 
B. logb t5 ÷ logb s
C. logb 
D. logb (t5 - s)
Mathematics
Perform the operation. Write the answer as a fraction in lowest terms.
? 
A. 
B. 
C. 
D. 1
Mathematics