diff --git a/01-greeting/index.js b/01-greeting/index.js
index 8f551af..5027780 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..e7daba7 100644
--- a/02-triangleArea/index.js
+++ b/02-triangleArea/index.js
@@ -1,3 +1,4 @@
 export function triangleArea(base, height) { 
   // your code here
+  return base * height/2
 } 
\ No newline at end of file
diff --git a/03-maxValue/index.js b/03-maxValue/index.js
index e433b31..5e82f78 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 < 1) {
+    return 0;
+  }
+  return Math.max ( ...values)
 }
\ No newline at end of file
diff --git a/04-fibonacci/index.js b/04-fibonacci/index.js
index 37c64cc..3f190c6 100644
--- a/04-fibonacci/index.js
+++ b/04-fibonacci/index.js
@@ -1,4 +1,7 @@
 export function fibonacci(value) {
   // implementar logica aqui
-  
+  if (value <= 1){
+    return value;
+  }
+  return fibonacci(value - 1) + fibonacci(value -2)
 }
\ No newline at end of file
diff --git a/05-isPrime/index.js b/05-isPrime/index.js
index ec9c4ac..03e80d4 100644
--- a/05-isPrime/index.js
+++ b/05-isPrime/index.js
@@ -1,4 +1,18 @@
 export function isPrime(value) {
   // implementar logica aqui
-  
+  let TotalDeivisores = 0;
+  for (let i = 1; i <= value; i++) {
+    if (value % i == 0)  {
+      TotalDeivisores++
+    }
+  }
+  if (TotalDeivisores == 2){
+    return true;
+  } else return false;
+  if (value === 2){
+    return true;
+  }
+  if (value === 1){
+    return false;
+  }
 }
\ No newline at end of file
diff --git a/06-sum/index.js b/06-sum/index.js
index ebc2ee1..0aa3944 100644
--- a/06-sum/index.js
+++ b/06-sum/index.js
@@ -1,4 +1,9 @@
 export function sum(values) {
   // implementar logica aqui
-  
+  var sum = 0;
+
+  for (var i = 0; i < values.length; i++){
+    sum+= values [i]
+  }
+  return sum
 }
\ No newline at end of file
diff --git a/07-sumEven/index.js b/07-sumEven/index.js
index bb1e095..c89a75f 100644
--- a/07-sumEven/index.js
+++ b/07-sumEven/index.js
@@ -1,4 +1,17 @@
+import { sum } from "../06-sum";
+
 export function sumEven(value) {
   // implementar logica aqui
-  
+  let par = []
+  for (let i = 0; i < value.length; i++) {
+    if (value[i] % 2 == 0) {
+      par.push(value[i])
+    }
+  }
+  let total = 0
+  for (let i = 0; i < par.length; i++) {
+    total += par[i];
+  }
+  value = [];
+  return total;
 }
\ No newline at end of file
diff --git a/08-isAnagram/index.js b/08-isAnagram/index.js
index 918308a..345bfcf 100644
--- a/08-isAnagram/index.js
+++ b/08-isAnagram/index.js
@@ -1,4 +1,12 @@
 export function isAnagram(word1, word2) {
   // implementar logica aqui
-  
+  if (word1.length != word2.length){
+    return false;
+  }
+
+  let str1 = word1.toUpperCase().split("").sort().join("");
+  let str2 = word2.toUpperCase().split("").sort().join("");
+
+  let resultado = str1 === str2
+  return resultado;
 }
\ No newline at end of file
diff --git a/09-mostRepeatedChar/index.js b/09-mostRepeatedChar/index.js
index b113ed8..7f4fd19 100644
--- a/09-mostRepeatedChar/index.js
+++ b/09-mostRepeatedChar/index.js
@@ -1,4 +1,12 @@
 export function mostUsedChar(text) {
-    // implementar logica aqui
-    return ""
-}
\ No newline at end of file
+  // implementar logica aqui
+  let max = 0;
+  let mostRep = "";
+  text.split("").forEach(function (index) {
+    if (text.split(index).length > max) {
+      max = text.split(index).length;
+      mostRep = index;
+    }
+  });
+  return mostRep;
+}
diff --git a/10-longestWords/index.js b/10-longestWords/index.js
index a98d2d8..d805271 100644
--- a/10-longestWords/index.js
+++ b/10-longestWords/index.js
@@ -1,4 +1,13 @@
 export function longestWords(words) {
     // implementar logica aqui
-    
+    let maior = "";
+
+    for (const string of words) {
+        if (string.length > maior.length) {
+            maior = string;
+        }
+    }
+    const maiores = words.filter((string)  => string.length == maior.length);
+
+    return maiores;
 }
\ No newline at end of file