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s344n2d4d5 [400]
3 years ago
9

***PLEASE HELP***

Mathematics
1 answer:
ICE Princess25 [194]3 years ago
4 0

Answer:

a. 7

b. - 11

c. 9

Step-by-step explanation:

A. Remove the parentheses:- 2+9

Calculate the sum of difference:7

Answer: 7

B. Calculate the sum or difference: - 11

Answer: 11

C. Remove the parentheses: 2+9+2

The sum of two opposites equals: 0

Answer: 9

Hope this help✨...

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