A cleaning process is removing salt from a pool. The amount S, in pounds, of salt remaining after t hours is given in the following table. Use exponential regression to find the percentage decrease in salt over any 4-year period. Round your answer to two decimal places. Round your answer to two decimal places.
t 1.16 4.83 8.44 11.55 15.43 S 23.29 12.16 5.54 3.04 2.16?
A. 64.00%
B. 50.21%
C. 65.93%
D. 49.06%
Answer: B
Mathematics
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What will be an ideal response?
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A. 
B. 
?2 - ?
C. 
?
D. 
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A. 5
B. 4
C. 4
D. 3
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A. 3 - 4i B. -3 + 6i C. 3 - 6i D. -3 + 4i
Mathematics