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klemol [59]
3 years ago
5

Homework help!!!!!!!!

Mathematics
2 answers:
Feliz [49]3 years ago
4 0

Answer:

u=-1

Step-by-step explanation:

if you replace with a or b the answer on the left side is actually bigger since it is closer to 0 than -20. same with choice d

choice c makes -12-28 which is a smaller value than -20

kaheart [24]3 years ago
4 0
the answer is u= -1

-
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