Respuesta :

1. 3n + 4
3(6) + 4
18 + 4
22

2. N/2 - 1
6/2 - 1
3 - 1
2

3. 15 - n
15 - 6
9

4. n² - 5
6² - 5
36 - 5
31

5. 9(N-2)
9(6-2)
9(4)
36

6. 4n / 3+1
4(6) / 4
24 / 4
6

7. 2(18-n)
2(18 - 6)
2(12)
24

Hope this helped!! If you liked my answer, please mark me as brainliest. Thank you! :9