Answer:
I am not sure about this question sry but u can try asking a tutor u don't need to use any points
Answer:
420
Step-by-step explanation:
Answer:
b. 82m³
Step-by-step explanation:

Answer:
18-4s
Step-by-step explanation:
15+3-4s
You just simplify to get 18-4s.
Hope that helped!
Step-by-step explanation:
I hope it's correct...