<em>Cellular Respiration, </em><em>would be the best answer.</em>
Thanks,
<em>Deku ❤</em>
Answer:
getting points sry
Step-by-step explanation:
Given triangles are similar, so we setup a proportion
(140-x)/81 = x/9
solving gives x = 14
AC = 140-x = 140-14 = 126
