Answer: 4xy and 3xy are, 2s and 5s are, but -10 and -10b aren't.
Step-by-step explanation: 4xy and 2xy have the same terms. 2s and 5s have the same terms but -10a and -10b have different variables.
Answer:
Step-by-step explanation:
observe
1000 grams= 1 kilograms
4700 grams = 4.7 kilograms
Answer
C 7