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slega [8]
2 years ago
14

Please help!!

Mathematics
2 answers:
S_A_V [24]2 years ago
5 0

Answer:

50

Step-by-step explanation:

Ne4ueva [31]2 years ago
3 0

Answer:

9. 2x^{2} +5x+2

21. y=6x

23. -8

Step-by-step explanation:

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