diff --git a/csharp-fundamentals-maps.Main/Core.cs b/csharp-fundamentals-maps.Main/Core.cs
index 8f4d84a..18b936a 100644
--- a/csharp-fundamentals-maps.Main/Core.cs
+++ b/csharp-fundamentals-maps.Main/Core.cs
@@ -46,11 +46,12 @@ public Dictionary<string, string> createPerson()
             in the createPerson method
          */
 
+
         public string getValue(string key)
         {
-            
-           
-            return string.Empty;
+
+
+            return this.createPerson()[key];
 
 
         }
@@ -64,9 +65,9 @@ in the provided dictionary
          */
          public bool hasKey(Dictionary<string,string> dictionary, string isitthere)
          {
-            return false;
-            
-         }
+            return dictionary.ContainsKey(isitthere);
+
+        }
 
 
         //TODO: 3. Modify method named getValueOrDefault that accepts two parameters:
@@ -76,9 +77,14 @@ public bool hasKey(Dictionary<string,string> dictionary, string isitthere)
             The method must use the string provided to return the integer contained in the provided HashMap,
             or -1 if the string provided is not a key in the HashMap
          */
-        public int getValueOrDefault(Dictionary<string,int> dictionary, string isitthere)
+        public int getValueOrDefault(Dictionary<string, int> dictionary, string isitthere)
         {
-            return 0;
+            if (dictionary.ContainsKey(isitthere))
+            {
+                return dictionary[isitthere];
+            }
+
+            return 1;
 
         }
 
@@ -104,7 +110,9 @@ public List<string> buildSecretPhrase(int[] numbers)
             map.Add(7, "muse");
             map.Add(96, "nice");
             // Write your code below this comment...
+            map.Add(19, "nice");
 
+            numbers.ToList().ForEach(n => results.Add(map[n]));
            
 
             //    // ...and above this comment
diff --git a/csharp-fundamentals-maps.Main/Extension.cs b/csharp-fundamentals-maps.Main/Extension.cs
index 2deb96d..07861fc 100644
--- a/csharp-fundamentals-maps.Main/Extension.cs
+++ b/csharp-fundamentals-maps.Main/Extension.cs
@@ -16,7 +16,7 @@ public Extension()
             _planets = new Dictionary<string, float>();
             _planets.Add("Jupiter", 5.2f);
             _planets.Add("Uranus", 19.2f);
-            _planets.Add("Pluto", 39f);
+            //_planets.Add("Pluto", 39f);
             _planets.Add("Mercury", 0.39f);
             _planets.Add("Saturn", 9.54f);
             _planets.Add("Earth", 1f);
@@ -36,7 +36,7 @@ public Dictionary<string,int> LettersInName()
             //          the planet name and the number of letters in its name
             //          iterate the _planets using a foreach object to load the result dictionary.
 
-            
+            this._planets.ToList().ForEach(x => result.Add(x.Key, x.Key.Count()));
 
             return result;
         }
@@ -51,8 +51,11 @@ public Dictionary<string,float> OrderedPlanets()
                 return _planets.OrderBy(x => x.Value).ToDictionary(x => x.Key, x => x.Value);                           
         }
         public Dictionary<string, float> OrderedPlanetsByDescending()
-        {            
-            return _planets.OrderBy(x => x.Value).ToDictionary(x => x.Key, x => x.Value);
+        {
+            Dictionary<string, float> result = _planets.OrderByDescending(x => x.Value).ToDictionary(x => x.Key, x => x.Value);
+            // return _planets.OrderBy(x => x.Value).ToDictionary(x => x.Key, x => x.Value);
+            return result;
+
         }
         //TODO:  modify the OrderedPlanetsByDescending so it is not dictionary is not doing an OrderBy but OrderByDescending
 
@@ -67,7 +70,8 @@ public Dictionary<string, float> OrderedPlanetsByDescending()
 
         public string FurthestFromTheSun()
         {
-            return string.Empty;      
+            KeyValuePair<string, float> result = OrderedPlanets().Last();
+            return result.Key; 
         }
         public string ClosestToTheSun()
         {