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ZX-9D943123A12025年10月国际B卷 · 第 4 题
2025年10月国际B卷 · 原库模块 1 · Q4 原库参考解析
The length, y, of a beluga whale was 158 centimeters (cm) when it was born and increased an average of 4.9 cm per month for the first 12 months after it was born. Which equation best represents this situation, where x is the number of months after the whale was born?
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