Answer:
its E 21
Step-by-step explanation:
Answer:
90-66=24
Step-by-step explanation:
If x=n then it would have 2 solutions because it would be x^2 = c which has a positive and negative solution but idk if that is what you are asking for
Step-by-step explanation:
no of days = (15×12)/20= 9 days
I hope this helps