Answer:
1-prothesis
2-robotics
3-musculoskeletal system
4-mimic
Explanation:
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No; some mice may have developed lung cancer in less than 500 days of cigarette smoke exposure.
-3x + 3(2x - 6) = 6
-3x +6x - 18 = 6
3x - 18 = 6
3x = 6 + 18
3x = 24
x = 8
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