Hello,
==>r²=16/36=4/9
==>r=2/3 or r=-2/3
==>r²=16/36=4/9
==>r=2/3 or r=-2/3
A record store is having a sale. CDs that were regularly priced at $14 are on sale for $10.50. What is the percentage of decreas
1 answer:
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