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 140,000 to 
Find the percent decrease.
A. 7.7%
B. 92.9%
C. 1300%
D. 7.1%
Answer: D
Mathematics
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Find the product, AB, if possible.A = 
, B = 
A. 
B. AB is not defined.
C. 
D. 
Mathematics
Solve the problem.If 81% of scheduled airline flights actually take place, and cancellations are independent events, what is the probability that 3 separate flights will take place?
A. 0.01 B. 0.66 C. 0.81 D. 0.53
Mathematics
For the proportion, find the unknown number n.
= 
A. 1
B. 1
C. 2
D. 
Mathematics
Solve the inequality and graph. Express your answer in interval notation.24x + 8 > 4(5x + 7)
A. [5, ?)
B. (-?, 5]
C. (-?, 5)
D. (5, ?)
Mathematics