function averageNumbers(array) {  var total = 0;  if (array.length > 0) {    array.forEach(function(el) {      total += el;    });    return total / array.length;  }  return 0;}var numbers2 = [2, 6, 9, 10, 7, 4, 1, 9];var average = averageNumbers(numbers2);console.log("the average of the array is: ", average);

var words = [  "machine",  "subset",  "trouble",  "starting",  "matter",  "eating",  "truth",  "disobedience",];// Finding Elementsfunction doesWordExist(wordsArray, word) {  var exist = false;  for (var ix = 0; ix < words.length; ix++) {    if (words[ix] === word) {      exist = true;      break;    }  }  return exist;}var hasMatter = doesWordExist(words, "subset");console.log("The word exists: ", hasMatter);var hasDog = doesWordExist(words, "dog");console.log("The word exists: ", hasDog);

// Finding Elementsfunction doesWordExistUpdated(wordsArray, word) {  if (wordsArray.includes(word)) {    return true;  } else {    return false;  }}var hasMatter = doesWordExistUpdated(words, "subset");console.log("The word exists: ", hasMatter);var hasDog = doesWordExistUpdated(words, "dog");console.log("The word exists: ", hasDog);