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September 16, 2014

September 16, 2014

Posted by **Becca** on Monday, April 8, 2013 at 10:23pm.

1. A3=324 A7=64

2. A4=32/3 A8=54

- Help! Algebra -
**Steve**, Tuesday, April 9, 2013 at 12:22amA7/A3 = r^4 = 16/81, so r = 2/3

A8/A4 = r^4 = 54*3/32 = 81/16 = 3/2

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