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..d63c4fd 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..f301dae 100644
--- a/03-maxValue/index.js
+++ b/03-maxValue/index.js
@@ -1,4 +1,13 @@
 export function maxValue(values) {
   // implementar logica aqui
-  
+  if(values.length === 0){
+    return 0;
+  }
+  let maior = values[0];
+
+  values.map(element =>{
+     if (element > maior)
+      maior = element;
+    });
+    return maior;
 }
\ No newline at end of file
diff --git a/04-fibonacci/index.js b/04-fibonacci/index.js
index 37c64cc..eae7c30 100644
--- a/04-fibonacci/index.js
+++ b/04-fibonacci/index.js
@@ -1,4 +1,11 @@
 export function fibonacci(value) {
   // implementar logica aqui
-  
+  let a = 0, b = 1, c = value;
+
+  for (let i = 2; i <= value; i++) {
+      c = a + b;
+      a = b;
+      b = c;
+  }
+  return c;
 }
\ No newline at end of file
diff --git a/05-isPrime/index.js b/05-isPrime/index.js
index ec9c4ac..63b157f 100644
--- a/05-isPrime/index.js
+++ b/05-isPrime/index.js
@@ -1,4 +1,15 @@
 export function isPrime(value) {
   // implementar logica aqui
-  
+  let resultado = 0;
+  if (value === 1) return false;
+
+  for (let i = 2; i < value; i++) {
+    if (value % i === 0) {
+      resultado++;
+    }
+  }
+
+  if (resultado === 0) return true;
+
+  return false;
 }
\ No newline at end of file
diff --git a/06-sum/index.js b/06-sum/index.js
index ebc2ee1..80a820c 100644
--- a/06-sum/index.js
+++ b/06-sum/index.js
@@ -1,4 +1,9 @@
 export function sum(values) {
   // implementar logica aqui
-  
+  let soma = 0;
+  values.map(element =>{
+      soma = soma + element;
+  }
+  );
+  return soma;
 }
\ No newline at end of file
diff --git a/07-sumEven/index.js b/07-sumEven/index.js
index bb1e095..018de2e 100644
--- a/07-sumEven/index.js
+++ b/07-sumEven/index.js
@@ -1,4 +1,9 @@
 export function sumEven(value) {
   // implementar logica aqui
-  
+  let soma = 0;
+    value.map( element=> {
+      if (element % 2 === 0)
+        soma = soma + element;
+      });
+  return soma;
 }
\ No newline at end of file
diff --git a/08-isAnagram/index.js b/08-isAnagram/index.js
index 918308a..d34e381 100644
--- a/08-isAnagram/index.js
+++ b/08-isAnagram/index.js
@@ -1,4 +1,7 @@
 export function isAnagram(word1, word2) {
   // implementar logica aqui
-  
+  const organiza = str =>
+    str.toLowerCase().split('').sort().join('');
+            
+    return organiza(word1) === organiza(word2);
 }
\ No newline at end of file
diff --git a/09-mostRepeatedChar/index.js b/09-mostRepeatedChar/index.js
index b113ed8..5e2051b 100644
--- a/09-mostRepeatedChar/index.js
+++ b/09-mostRepeatedChar/index.js
@@ -1,4 +1,15 @@
 export function mostUsedChar(text) {
     // implementar logica aqui
-    return ""
+    let max = 0;
+    let maxChar = "";
+    const splitLetras = text.split("");
+    splitLetras.map( char=> {
+        const splitCaracter = text.split(char);
+            if (splitCaracter.length > max) {
+                max = splitCaracter.length;
+                maxChar = char;
+            }   
+    });
+
+    return maxChar;
 }
\ No newline at end of file
diff --git a/10-longestWords/index.js b/10-longestWords/index.js
index a98d2d8..9f71697 100644
--- a/10-longestWords/index.js
+++ b/10-longestWords/index.js
@@ -1,4 +1,15 @@
 export function longestWords(words) {
     // implementar logica aqui
-    
+    let maior = 0;
+    for (const palavra of words){
+        if (palavra.length > maior)
+            maior = palavra.length;
+    }
+
+    const arr = [];
+    words.map(element=>{
+        if (element.length === maior)
+            arr.push(element);
+    })
+    return arr;
 }
\ No newline at end of file