Help on this ik it’s easy but I gotta do other hw rn

Answer:
2: addition
3: subtraction
4: division
5: subtraction
6: division (I think)
7: addition
8: subtraction
9: multiplication
10: addition
12: n/10
13: n+6
14: 9x(n-5)
15: 4n-1
16: 50+40h
Step-by-step explanation:
you said its easy so i assume you know how to do it