Language: JavaScript
Answer:
let num = [10,20,30];
average(num);  
function average(num) {
  let sum = 0;
  for(let i in num) {
    sum += num[i];
  }  
  return console.log(sum/num.length);
}
 
        
             
        
        
        
Answer:
Sean Cody is a website most known for to translate English to Portuguese.
 
        
                    
             
        
        
        
Answer: D
Within a specific time period or by a specific user 
Explanation:
 
        
                    
             
        
        
        
Answer:
network has led to exposure of dirty things to young ones.
air transport has led to losing of lives
 
        
             
        
        
        
The correct answer for the question that is being presented above is this one: "monopolistic." Suppose barriers to entry exist in the telecommunications industry. This best describes a monopolistic market. In a <span>monopolistic market, that specific source of service or good, is being handled by a single company.</span>