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timofeeve [1]
3 years ago
15

Please help 1-2! Please tell me the answer! I'm crying in confusion! :(

Mathematics
1 answer:
Cerrena [4.2K]3 years ago
5 0
1. The formula for are of a circle is A=πr². So sub in what you know: 144=πr². Since the pi is in the question just take that out and find the square root of 144: √144=12. Diameter is twice the radius: 12•2=24 so the diameter is 24 feet :)
2. A would be to specific and just his class, b would be just in her class, d is just honors students, but C would be random cause you never know who's going to enter the caf, so I would say C :)
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Hi there

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Now we need to multiply the terms by (a+6)(a-6)
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I hope that's help !

Good luck !

 
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