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Nata [24]
4 years ago
15

Help for 19-21 please thank you !!

Mathematics
1 answer:
attashe74 [19]4 years ago
6 0
19. 9.4, 9.07, 8.71, 9.02, 8.45
20. 3.79, 3.77, 3.84, 3.80 
21.not sure
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