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Mathematics, 20.09.2021 14:00 bcox32314

Which of the following are examples of geometric sequences? State the common ratio and write an explicit rule when applicable.
A: A bank account earns 1.25% interest annually.
B: A shirt is on sale for 15% off.
C: A swimmer reduces his 50-m backstroke by 2% each week of the summer.
D: A teacher hands out 2 pencils every day.

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