diff --git a/01-greeting/index.js b/01-greeting/index.js
index 8f551af..5c0279c 100644
--- a/01-greeting/index.js
+++ b/01-greeting/index.js
@@ -1,4 +1,4 @@
 export function greet(name) {
   // implementar logica aqui
-  return "";
+  return `Hello ${name}`;
 }
diff --git a/02-triangleArea/index.js b/02-triangleArea/index.js
index 7628fcd..475c5ab 100644
--- a/02-triangleArea/index.js
+++ b/02-triangleArea/index.js
@@ -1,3 +1,4 @@
 export function triangleArea(base, height) { 
-  // your code here
+  var area = (base*height) / 2            
+  return area
 } 
\ No newline at end of file
diff --git a/03-maxValue/index.js b/03-maxValue/index.js
index e433b31..7ad07d1 100644
--- a/03-maxValue/index.js
+++ b/03-maxValue/index.js
@@ -1,4 +1,7 @@
 export function maxValue(values) {
   // implementar logica aqui
-  
+  if (values.length === 0) {
+    return 0;
+  }
+  return Math.max.apply(null, values);
 }
\ No newline at end of file
diff --git a/04-fibonacci/index.js b/04-fibonacci/index.js
index 37c64cc..4f10945 100644
--- a/04-fibonacci/index.js
+++ b/04-fibonacci/index.js
@@ -1,4 +1,14 @@
 export function fibonacci(value) {
   // implementar logica aqui
-  
+  if (value < 1) return 0
+           if (value <= 2) return 1
+           let fib1 = 0
+           let fib2 = 1
+           let fibN = value
+           for (let i = 2; i <=value; i++){
+                fibN = fib2 + fib1
+                fib1 = fib2            
+                fib2 = fibN
+           }
+           return fibN
 }
\ No newline at end of file
diff --git a/06-sum/index.js b/06-sum/index.js
index ebc2ee1..c6526a4 100644
--- a/06-sum/index.js
+++ b/06-sum/index.js
@@ -1,4 +1,9 @@
 export function sum(values) {
   // implementar logica aqui
+  var soma = 0;
+            for (var i = 0; i < values.length; i++) {   
+                soma += values[i];
+            }
+          return soma;
   
 }
\ No newline at end of file
diff --git a/07-sumEven/index.js b/07-sumEven/index.js
index bb1e095..8dba971 100644
--- a/07-sumEven/index.js
+++ b/07-sumEven/index.js
@@ -1,4 +1,12 @@
 export function sumEven(value) {
   // implementar logica aqui
-  
+  const pares = value;
+            var i;
+            let soma = 0;
+            for (i = 0; i <= pares.length; i++) {
+                if (pares[i] % 2 === 0) {
+                    soma = soma + pares[i];
+                }
+            }
+            return soma;
 }
\ No newline at end of file
diff --git a/08-isAnagram/index.js b/08-isAnagram/index.js
index 918308a..dc5da45 100644
--- a/08-isAnagram/index.js
+++ b/08-isAnagram/index.js
@@ -1,4 +1,6 @@
 export function isAnagram(word1, word2) {
   // implementar logica aqui
-  
+  word1 = word1.toUpperCase().split('').sort().join('');
+            word2 = word2.toUpperCase().split('').sort().join('');
+            return word1 === word2
 }
\ No newline at end of file
diff --git a/09-mostRepeatedChar/index.js b/09-mostRepeatedChar/index.js
index b113ed8..756bb7e 100644
--- a/09-mostRepeatedChar/index.js
+++ b/09-mostRepeatedChar/index.js
@@ -1,4 +1,18 @@
 export function mostUsedChar(text) {
     // implementar logica aqui
-    return ""
+    let result = '';
+    let mostUsedCount = 0;
+    for (const letter of text) {
+        let countLetter = 0;
+        for (const letterToCount of text) {
+            if (letterToCount === letter) {
+                countLetter++;
+            }
+        }
+        if (countLetter > mostUsedCount) {
+            mostUsedCount = countLetter;
+            result = letter;
+        }
+    }
+    return result;
 }
\ No newline at end of file
diff --git a/10-longestWords/index.js b/10-longestWords/index.js
index a98d2d8..d17f723 100644
--- a/10-longestWords/index.js
+++ b/10-longestWords/index.js
@@ -1,4 +1,14 @@
 export function longestWords(words) {
     // implementar logica aqui
-    
+    let newArr = [];
+    let long = 0;
+    words.forEach(function(element){
+        if(element.length > long){
+            long = element.length
+        }
+    });
+    newArr = words.filter(element => 
+        element.length == long
+    );
+    return newArr;
 }
\ No newline at end of file