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lianna [129]
3 years ago
14

PLEASE HELP MEEE IM SO STRESSED!

Mathematics
1 answer:
Lana71 [14]3 years ago
6 0

Answer:

(a) -2-(-9)=-2+9

=7

(b) -2-9=-11

(c) -2-(-9)-(-2)=-2+9+2

=9

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