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polet [3.4K]
2 years ago
12

Help if you understand please and thanks

Mathematics
1 answer:
Dafna11 [192]2 years ago
4 0

Answer:

1

Step-by-step explanation:

y2-y1 divided by x2-x1

12-3 divided by 20-11

which equals to 9/9 which equals to 1

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