The correct answer is B)
I hope this helps.
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Answer:
2.8- 4.4n- 2n + 7 = -6.4n + 9.8
Step-by-step explanation:
combined like term:
-4.4n - 2n = -6.4n
2.8 + 7 = 9.8
so all you do is combined together and got -6.4n + 9.8
No because the sum could also be irrational number which for example it could be square root of 9 or 49
Hope this helps answer your question
Add all the item together:
16 + 28 + 12 + 4
=60 total items
