diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..ae4a1ce
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,320 @@
+{
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+      "requires": {
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+        "lodash.keys": "^3.0.0"
+      }
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+        "lodash._basecreate": "^3.0.0",
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+      "resolved": "https://registry.npmjs.org/lodash.isarray/-/lodash.isarray-3.0.4.tgz",
+      "integrity": "sha1-eeTriMNqgSKvhvhEqpvNhRtfu1U=",
+      "dev": true
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+      "integrity": "sha1-TbwEcrFWvlCgsoaFXRvQsMZWCYo=",
+      "dev": true,
+      "requires": {
+        "lodash._getnative": "^3.0.0",
+        "lodash.isarguments": "^3.0.0",
+        "lodash.isarray": "^3.0.0"
+      }
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+      "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
+      "dev": true,
+      "requires": {
+        "brace-expansion": "^1.1.7"
+      }
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+      "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
+      "dev": true
+    },
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+      "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
+      "dev": true,
+      "requires": {
+        "minimist": "0.0.8"
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+      "version": "3.5.3",
+      "resolved": "https://registry.npmjs.org/mocha/-/mocha-3.5.3.tgz",
+      "integrity": "sha512-/6na001MJWEtYxHOV1WLfsmR4YIynkUEhBwzsb+fk2qmQ3iqsi258l/Q2MWHJMImAcNpZ8DEdYAK72NHoIQ9Eg==",
+      "dev": true,
+      "requires": {
+        "browser-stdout": "1.3.0",
+        "commander": "2.9.0",
+        "debug": "2.6.8",
+        "diff": "3.2.0",
+        "escape-string-regexp": "1.0.5",
+        "glob": "7.1.1",
+        "growl": "1.9.2",
+        "he": "1.1.1",
+        "json3": "3.3.2",
+        "lodash.create": "3.1.1",
+        "mkdirp": "0.5.1",
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+      }
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+      "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
+      "dev": true
+    },
+    "once": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
+      "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
+      "dev": true,
+      "requires": {
+        "wrappy": "1"
+      }
+    },
+    "path-is-absolute": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
+      "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18=",
+      "dev": true
+    },
+    "supports-color": {
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-3.1.2.tgz",
+      "integrity": "sha1-cqJiiU2dQIuVbKBf83su2KbiotU=",
+      "dev": true,
+      "requires": {
+        "has-flag": "^1.0.0"
+      }
+    },
+    "type-detect": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/type-detect/-/type-detect-1.0.0.tgz",
+      "integrity": "sha1-diIXzAbbJY7EiQihKY6LlRIejqI=",
+      "dev": true
+    },
+    "wrappy": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
+      "dev": true
+    }
+  }
+}
diff --git a/src/every.js b/src/every.js
index 4a131e5..f677bb3 100644
--- a/src/every.js
+++ b/src/every.js
@@ -8,7 +8,9 @@
 // ]
 // Expected Output: true
 function allNutritious (items) {
-
+  return items.every((element)=>{
+    return (element.nutritious===true);
+  })
 }
 
 // Sample Input:
@@ -19,7 +21,14 @@ function allNutritious (items) {
 // ]
 // Expected Output: false
 function allOfOneType (items) {
-  
+  return items.every((element, index, items)=>{
+    let type = typeof(items[0]);
+    if(type ==="object"){
+      return 
+    }
+    return (type === typeof(element))
+
+  })
 }
 
 module.exports = { allNutritious, allOfOneType }
diff --git a/src/filter.js b/src/filter.js
index 7b35cd5..1563485 100644
--- a/src/filter.js
+++ b/src/filter.js
@@ -3,7 +3,7 @@
 // Sample Input: [ 11, 44, 78, 99 ]
 // Expected Output: [ 11, 44 ]
 function onlyOdd (numbers) {
-
+  return numbers.filter(element => element % 2 !== 0)
 }
 
 // Sample Input:
@@ -16,7 +16,11 @@ function onlyOdd (numbers) {
 // Expected Output:
 // { id: 42, name: 'Clojure' }
 function findById (languages, id) {
-  
+let array = languages.filter(element => {
+    console.log(element.id);
+    return element.id === id;
+  })
+  return array[0]|| null;
 }
 
 module.exports = { onlyOdd, findById }
diff --git a/src/map.js b/src/map.js
index 91b7cb0..af4e000 100644
--- a/src/map.js
+++ b/src/map.js
@@ -8,7 +8,7 @@
 // ]
 // Expected Output: ['Alex Mali', 'dvsn', 'Mura Masa']
 function justArtists (songs) {
-
+  return songs.map(el => el.artist);
 }
 
 // Sample Input:
@@ -24,7 +24,9 @@ function justArtists (songs) {
 //   { name: 'Banana Bunches', price: 2.33, quantity: 2 }
 // ]
 function toObject (candies) {
-
+  return candies.map(candy => {
+    return {name: candy[0],price: candy[1], quantity: candy[2]};
+  });
 }
 
 module.exports = { justArtists, toObject }
diff --git a/src/reduce.js b/src/reduce.js
index be0356d..5fcda35 100644
--- a/src/reduce.js
+++ b/src/reduce.js
@@ -8,8 +8,10 @@
 //   []
 // ]
 // Expected Output: [ 10, 20, 30, -10, -4, 0, 10, 100, 1000 ]
-function flatten (matrix) {
-
+function flatten(matrix) {
+  return matrix.reduce((acc, element) => {
+    return acc.concat(element);
+  }, [])
 }
 
 // Sample Input:
@@ -23,8 +25,19 @@ function flatten (matrix) {
 //   home: [ '(555) 655-4555', '(555) 455-5555', '(555) 255-5555' ],
 //   cell: [ '(333) 655-4555', '(333) 455-5555', '(333) 255-5555' ]
 // }
-function consolidate (numbers) {
-  
+function consolidate(numbers) {
+  let home = [];
+  let cell = [];
+  return numbers.reduce((obj, el) => {
+    home.push(el.phone.home);
+    cell.push(el.phone.cell);
+    obj.home = home;
+    obj.cell = cell;
+    return obj;
+  },{})
 }
 
-module.exports = { flatten, consolidate }
+module.exports = {
+  flatten,
+  consolidate
+}
diff --git a/src/some.js b/src/some.js
index 5eac3c6..dce5cad 100644
--- a/src/some.js
+++ b/src/some.js
@@ -3,13 +3,17 @@
 // Sample Input: [ 10, 20, 30, 40, -50 ]
 // Expected Output: true
 function anyAreNegative (numbers) {
-
+  return numbers.some(number => {
+    return number<0;
+  })
 }
 
 // Sample Input: [ 'Once', 'upon', 'a', 'time', '' ]
 // Expected Output: true
 function includesFalseyValues (items) {
-  
+    return items.some((item) => {
+      return (!item);
+    });
 }
 
 module.exports = { anyAreNegative, includesFalseyValues }