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✨...
