diff --git a/csharp-fundamentals-maps.Main/Core.cs b/csharp-fundamentals-maps.Main/Core.cs
index 8f4d84a..509d764 100644
--- a/csharp-fundamentals-maps.Main/Core.cs
+++ b/csharp-fundamentals-maps.Main/Core.cs
@@ -48,11 +48,7 @@ in the createPerson method
 
         public string getValue(string key)
         {
-            
-           
-            return string.Empty;
-
-
+           return createPerson()[key];
         }
 
         //TODO:  2. Modify below method named hasKey that accepts two parameters:
@@ -64,7 +60,7 @@ in the provided dictionary
          */
          public bool hasKey(Dictionary<string,string> dictionary, string isitthere)
          {
-            return false;
+            return dictionary.ContainsKey(isitthere);
             
          }
 
@@ -78,8 +74,7 @@ public bool hasKey(Dictionary<string,string> dictionary, string isitthere)
          */
         public int getValueOrDefault(Dictionary<string,int> dictionary, string isitthere)
         {
-            return 0;
-
+            return dictionary.GetValueOrDefault(isitthere);
         }
 
 
@@ -104,9 +99,11 @@ public List<string> buildSecretPhrase(int[] numbers)
             map.Add(7, "muse");
             map.Add(96, "nice");
             // Write your code below this comment...
-
-           
-
+            foreach (int number in numbers)
+            {
+                if (map.ContainsKey(number)) results.Add(map[number]);
+            }
+            
             //    // ...and above this comment
             return results;
         }            
diff --git a/csharp-fundamentals-maps.Main/Extension.cs b/csharp-fundamentals-maps.Main/Extension.cs
index 2deb96d..5ada2ac 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);
@@ -36,6 +36,10 @@ 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.
 
+            foreach(var planet in _planets)
+            {
+                result.Add(planet.Key, planet.Key.Length);
+            }
             
 
             return result;
@@ -52,9 +56,9 @@ public Dictionary<string,float> OrderedPlanets()
         }
         public Dictionary<string, float> OrderedPlanetsByDescending()
         {            
-            return _planets.OrderBy(x => x.Value).ToDictionary(x => x.Key, x => x.Value);
+            return _planets.OrderByDescending(x => x.Value).ToDictionary(x => x.Key, x => x.Value);
         }
-        //TODO:  modify the OrderedPlanetsByDescending so it is not dictionary is not doing an OrderBy but OrderByDescending
+        //TODO:  modify the OrderedPlanetsByDescending so it is not doing an OrderBy but OrderByDescending
 
 
 
@@ -67,7 +71,8 @@ public Dictionary<string, float> OrderedPlanetsByDescending()
 
         public string FurthestFromTheSun()
         {
-            return string.Empty;      
+            //foreach (var planet in OrderedPlanets()) Console.WriteLine(planet.Key);
+            return OrderedPlanets().Last().Key;    
         }
         public string ClosestToTheSun()
         {