diff --git a/04 - Array Cardio Day 1/index-START.html b/04 - Array Cardio Day 1/index-START.html
index 0dcfd00f40..8e70eb87d8 100644
--- a/04 - Array Cardio Day 1/index-START.html	
+++ b/04 - Array Cardio Day 1/index-START.html	
@@ -38,29 +38,65 @@
     
     // Array.prototype.filter()
     // 1. Filter the list of inventors for those who were born in the 1500's
-
+    const fifteen = inventors.filter(inventor => (inventor.year >= 1500 && inventor.year <= 1599));
+    console.table(fifteen);
     // Array.prototype.map()
     // 2. Give us an array of the inventors first and last names
-
+    const fullName = inventors.map(inventor => `${inventor.first} ${inventor.last}`);
+    console.log(fullName);
     // Array.prototype.sort()
     // 3. Sort the inventors by birthdate, oldest to youngest
-
+    const ordered = inventors.sort(function(firstPerson , secondPerson) {
+    if(firstPerson.year > secondPerson.year){
+      return 1;
+    } else {
+      return -1;
+    }
+    });
+    console.table(ordered);
     // Array.prototype.reduce()
     // 4. How many years did all the inventors live all together?
-
+    const totalYears = inventors.reduce((total, inventor) => {
+      return total + (inventor.passed - inventor.year);
+    }, 0);
+    console.log(totalYears)
     // 5. Sort the inventors by years lived
-
+    const oldest = inventors.sort(function(a ,b) {
+      const lastGuy = a.passed - a.year;
+      const nextGuy = b.passed - b.year;
+      if (lastGuy > nextGuy){
+        return -1;
+      } else {
+        return 1;
+      }
+    });
+    console.table(oldest);
     // 6. create a list of Boulevards in Paris that contain 'de' anywhere in the name
     // https://en.wikipedia.org/wiki/Category:Boulevards_in_Paris
-
-
+    // const category = document.querySelector('.mw-category');
+    // const links = Array.from(category.querySelectorAll('a'));
+    // const de = links
+    //             .map(link => link.textContent)
+    //             .filter(streetName => streetName.includes('de'));
     // 7. sort Exercise
     // Sort the people alphabetically by last name
-
+    const alpha = people.sort(function(lastOne ,nextOne){
+    const [alast, afirst] = lastOne.split("' ");
+    const [blast, bfirst] = nextOne.split("' ");
+      return alast > blast ? 1 : -1;
+    });
+    console.log(alpha);
     // 8. Reduce Exercise
     // Sum up the instances of each of these
     const data = ['car', 'car', 'truck', 'truck', 'bike', 'walk', 'car', 'van', 'bike', 'walk', 'car', 'van', 'car', 'truck' ];
-
+    const transportition = data.reduce(function(obj, item){
+    if(!obj[item]){
+      obj[item] = 0;
+    }
+      obj[item]++;
+    return obj;
+    }, {});
+    console.log(transportition);
   </script>
 </body>
 </html>
diff --git a/07 - Array Cardio Day 2/index-START.html b/07 - Array Cardio Day 2/index-START.html
index 4ca34c7536..34654d51db 100644
--- a/07 - Array Cardio Day 2/index-START.html	
+++ b/07 - Array Cardio Day 2/index-START.html	
@@ -27,16 +27,26 @@
 
     // Some and Every Checks
     // Array.prototype.some() // is at least one person 19 or older?
-    // Array.prototype.every() // is everyone 19 or older?
+    const isAdult = people.some(person => ((new Date()).getFullYear()) - person.year >= 19);
 
+    console.log({isAdult});
+    // Array.prototype.every() // is everyone 19 or older?
+    const allAdult = people.every(person => ((new Date()).getFullYear()) - person.year >= 19);
+    console.log({allAdult});
     // Array.prototype.find()
     // Find is like filter, but instead returns just the one you are looking for
     // find the comment with the ID of 823423
-
+    const comment = comments.find(comment => comment.id === 823423);
+    console.log(comment);
     // Array.prototype.findIndex()
     // Find the comment with this ID
     // delete the comment with the ID of 823423
-
+    const index = comments.find(comment => comment.id === 823423);
+    console.log(index);
+    const newComments = [
+      ...comments.slice(0, index),
+      ...comments.slice(index + 1)
+    ];
   </script>
 </body>
 </html>