diff --git a/04 - Array Cardio Day 1/index-START.html b/04 - Array Cardio Day 1/index-START.html
index 0dcfd00f40..a8c09637b6 100644
--- a/04 - Array Cardio Day 1/index-START.html	
+++ b/04 - Array Cardio Day 1/index-START.html	
@@ -38,29 +38,40 @@
     
     // Array.prototype.filter()
     // 1. Filter the list of inventors for those who were born in the 1500's
-
+    const fiveInventors = inventors.filter(item => item.year <= 1599 && item.year >= 1500);
+    console.table(fiveInventors);
     // Array.prototype.map()
     // 2. Give us an array of the inventors first and last names
-
+    const firstLast = inventors.map(inventor => `${inventor.first} ${inventor.last}`);
+    console.log(firstLast);
     // Array.prototype.sort()
     // 3. Sort the inventors by birthdate, oldest to youngest
-
+    const orderedArrayByAge = inventors.sort((a, b) => a.year - b.year);
+    console.log(orderedArrayByAge);
     // Array.prototype.reduce()
     // 4. How many years did all the inventors live all together?
-
+    const totalYears = inventors.reduce((total, inventor) => total + (inventor.passed - inventor.year), 0);
+    console.log(totalYears);
     // 5. Sort the inventors by years lived
-
+    const orderedArrayYearsLived = inventors.sort((a,b) => (a.passed - a.year) - (b.passed - b.year));
+    console.table(orderedArrayYearsLived);
     // 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-content-ltr");
+    const links = [...category.querySelectorAll("a")];  
+    const filtered = links
+      .map(link => link.textContent)
+      .filter(streetName => streetName.includes("de")); */
     // 7. sort Exercise
     // Sort the people alphabetically by last name
-
+    console.table(people.sort());
     // 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 transportation = data.reduce((obj, item) => (
+    obj[item] = (obj[item] || 0) + 1, obj
+    ), {});
+    console.log(transportation);
   </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..05f1a52311 100644
--- a/07 - Array Cardio Day 2/index-START.html	
+++ b/07 - Array Cardio Day 2/index-START.html	
@@ -27,16 +27,22 @@
 
     // Some and Every Checks
     // Array.prototype.some() // is at least one person 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 isEveryoneAdult = people.every(person => new Date().getFullYear() - person.year >= 19);
+    console.log({isEveryoneAdult});
     // 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 findId = comments.find(comment => comment.id === 823423);
+    console.log(findId);
     // Array.prototype.findIndex()
     // Find the comment with this ID
     // delete the comment with the ID of 823423
-
+    const index = comments.findIndex(num => num.id === 823423);
+    console.log(index);
+    comments.splice(index, 1);
   </script>
 </body>
 </html>