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antiseptic1488 [7]
4 years ago
12

1. 18+a > 21; 2, 3, 4 Which is true?

Mathematics
1 answer:
nexus9112 [7]4 years ago
3 0

Step-by-step explanation:

18 + a > 21 \\  \therefore \: a > 21 - 18\\  \therefore \: a > 3 \\

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