Solve. If necessary, round percents to the nearest tenth, dollar amounts to the nearest cent, and all other numbers to the nearest whole.In the past ten years, the population of a city decreased from 100,000 to 
Find the percent decrease.
A. 11.1%
B. 90%
C. 10%
D. 900%
Answer: C
Mathematics
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Solve the problem.Midtown Delivery Service delivers packages which cost 
per package to deliver. The fixed cost to run the delivery truck is 
per day. If the company charges 
per package, how many packages must be delivered daily to break even (zero profit)?
A. 12 packages B. 18 packages C. 126 packages D. 14 packages
Mathematics
Provide an appropriate response.Which integral or integrals have a value of zero?i) 
ii) 
iii) 
, where b > 0iv) 
, where b < 0
A. Both i and ii B. Both i and iv C. Only i D. All of these
Mathematics
Factor completely.x2 + 9x + 10
A. (x + 5)(x - 2) B. (x - 5)(x + 2) C. (x + 10)(x - 1) D. prime
Mathematics
Find the absolute value of the complex number.z = 9 - 5i
A. 
B. 14
C. 106
D. 
Mathematics