Answer:
Option C 
Step-by-step explanation:
we have

Remember that


therefore



Two hours bc if it takes 8 to do it in one hour and u split the number of men u have in half you double the work hours 8men=1hour of work 4men=2hours of work
Hope this helps have a nice day
Answer:
4/5 to the 5th power
Step-by-step explanation:
The zero propperty because you are add any thing plus zero