9. 2,000
10. 3,200
11. 3,000
12. 1,800
13. 120
14. 125
15. 75
16. 30
17.
18.
I can't see the last two
Answer: The most frequent way you can use it is subtracting!
Step-by-step explanation:
Answer:
3 + 2n
Step-by-step explanation:
2 + 1 = 3.
2n cannot be added into this because it has a letter in front of it. Therefore, it stays on its own.
Answer:
(-4, -5) it gives the answer in the question
Step-by-step explanation: