The rodent population in a city is currently estimated at 20,000. If it is expected to double every 3 years, when will the population reach 490,000? Round your answer to the nearest tenth of a year.
?
A. 20.3 years
B. 20.1 years
C. 13.8 years
D. 16.9 years
E. none of these
Answer: C
Mathematics
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Determine the indefinite integral. Check your work by differentiation.
dt
A. -7 cos t + C
B. - 
+ C
C. - 
+ C
D. -7sin t + C
Mathematics
Provide an appropriate response.Write a step-by-step explanation of how you would solve the equation 
for b.
What will be an ideal response?
Mathematics
Classify the system as either consistent or inconsistent.
A. Consistent B. Inconsistent
Mathematics
Answer the question.The average of a group of negative numbers is a number.
Fill in the blank(s) with the appropriate word(s).
Mathematics