Answer:
0 that is the answer i wish is correct am just raying
Step-by-step explanation:
n = 2
2)
n = -4
I think it would be B but I'm not sure
1.6 hours
Number of opening hours a day = 8
Number of groups = 5
Dividing the number of opening. Hours equally among the 5 groups :
8 hours / 5
= 1.6 hours per group per day
9,18 and 27
hope this helps u