List the like terms of the expression.-10a - 7b - 3b + 3a
A. -10a, 3a, - 7b and - 3b are like terms
B. There are no like terms
C. -10a and - 7b are like terms
- 3b and 3a are like terms
D. -10a and 3a are like terms
- 7b and - 3b are like terms
Answer: D
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A. sec ? = 
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A. 
B. 
C. 
D. 
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