Answer:
// here is code in C++.
#include <bits/stdc++.h>
using namespace std;
// main function
int main()
{
    // variables
int n;
double average,sum=0,x;
cout<<"enter the Value of N:";
// read the value of N
cin>>n;
cout<<"enter "<<n<<" Numbers:";
// read n Numbers
for(int a=0;a<n;a++)
{
    cin>>x;
    // calculate total sum of all numbers
    sum=sum+x;
}
// calculate average 
average=sum/n;
// print average
cout<<"average of "<<n<<" Numbers is: "<<average<<endl;
return 0;
}
Explanation:
Read the total number from user i.e "n".Then read "n" numbers from user with for loop and sum them all.Find there average by dividing the sum with n.And print the average.
Output:
enter the Value of N:5
enter 5 Numbers:20.5 19.7 21.3 18.6 22.1
average of 5 Numbers is: 20.44
 
        
             
        
        
        
Answer:
The ARPANET was the first network that provided commercial internet services. And also it was the first network to make use of the TCP/IP protocols. However, you need to know that the first ISP or the internet service provider was the Telenet, and it was the first commercial version of the ARPANET which was introduced in the year 1974. And this service started its service for the customers in the year 1989. 
Explanation:
Please check the answer section. 
 
        
             
        
        
        
Answer:
I do Stray kids and Tower Of God is good combo mannnn
 
        
                    
             
        
        
        
Answer:
decide that when online customers and retail stores order bikinis, they will never have to wait more than two weeks for the order to arrive.
Explanation:
Based on the information provided within the question it can be said that in this scenario the best action that Helena can take is to decide that when online customers and retail stores order bikinis, they will never have to wait more than two weeks for the order to arrive. Otherwise she will begin to lose customers constantly by not having stock or shipping the product in time. These losses will continue to amass and may eventually ruin her business.