diff --git a/lesson_07/conditionals/.env.test b/lesson_07/conditionals/.env.test
index de8c44249..6f05a4e86 100644
--- a/lesson_07/conditionals/.env.test
+++ b/lesson_07/conditionals/.env.test
@@ -1 +1 @@
-HW_VERSION=your homework version here
\ No newline at end of file
+HW_VERSION=F
diff --git a/lesson_07/conditionals/src/lesson7.ts b/lesson_07/conditionals/src/lesson7.ts
index cc44be44c..2084a7d63 100644
--- a/lesson_07/conditionals/src/lesson7.ts
+++ b/lesson_07/conditionals/src/lesson7.ts
@@ -13,8 +13,16 @@ export function compareStrings(a: string, b: string): number {
   const distance = computeLexicographicDistance(a, b);
 
   // TODO(you): Finish this method.
-
-  return 0;
+  if (distance < 0) {
+    // a is less than b
+    return -1;
+  } else if (distance > 0) {
+    // a is greater than b
+    return 1;
+  } else {
+    // a is equal to b
+    return 0;
+  }
 }
 
 /**
@@ -24,7 +32,19 @@ export function compareStrings(a: string, b: string): number {
  * @return The factorial of n.
  */
 export function computeFactorial(n: number): number {
-  return 0;
+  if (n < 0) {
+    return 0; // Factorial of negative numbers is undefined, return 0
+  }
+
+  if (n === 0 || n === 1) {
+    return 1; // Factorial of 0 and 1 is 1
+  }
+
+  let result = 1;
+  for (let i = 2; i <= n; i++) {
+    result *= i;
+  }
+  return result;
 }
 
 /**
@@ -34,7 +54,18 @@ export function computeFactorial(n: number): number {
  * @return An array containing the first `n` Fibonacci values.
  */
 export function getFirstNFibonacciNumbers(n: number): number[] {
-  return [];
+  if (n <= 0) {
+    return []; 
+  }
+  if (n === 1) {
+    return [1]; // First Fibonacci number is 1
+  }
+  const fibonacci = [1, 1]; // Start with first two Fibonacci numbers
+  for (let i = 2; i < n; i++) {
+    // Each new number is the sum of the previous two
+    fibonacci.push(fibonacci[i - 1] + fibonacci[i - 2]);
+  }
+  return fibonacci;
 }
 
 /**
@@ -61,9 +92,13 @@ export function binarySearch(
 
   // TODO(you): Finish implementing this algorithm
 
-  // If values[pivotIndex] is equal to value then return `pivotIndex`.
-  // Else if values[pivotIndex] is greater than the value, then
-  // call `binarySearch(values, start, pivotIndex - 1, value)` and return its value;
-  // Else call `binarySearch(values, pivotIndex + 1, end, value)` and return its value.
-  return -1;
+  if (values[pivotIndex] === value) {
+    // If values[pivotIndex] is equal to value then return `pivotIndex`.
+    return pivotIndex;
+  } else if (values[pivotIndex] > value) {
+    // Else if values[pivotIndex] is greater than the value, then
+    return binarySearch(values, start, pivotIndex - 1, value); // call `binarySearch(values, start, pivotIndex - 1, value)` and return its value;
+  } else {
+    return binarySearch(values, pivotIndex + 1, end, value); // Else call `binarySearch(values, pivotIndex + 1, end, value)` and return its value.
+  }
 }
diff --git a/lesson_07/conditionals/src/part_f.ts b/lesson_07/conditionals/src/part_f.ts
index fdd8cf052..3ad097f08 100644
--- a/lesson_07/conditionals/src/part_f.ts
+++ b/lesson_07/conditionals/src/part_f.ts
@@ -5,8 +5,19 @@
  * @param score
  * @returns
  */
+
 export function getLetterGrade(score: number): string {
-  return "";
+  if (score >= 90 && score <= 100) {
+    return "A";
+  } else if (score >= 80 && score <= 89) {
+    return "B";
+  } else if (score >= 70 && score <= 79) {
+    return "C";
+  } else if (score >= 60 && score <= 69) {
+    return "D";
+  } else {
+    return "F";
+  }
 }
 
 /**
@@ -16,7 +27,14 @@ export function getLetterGrade(score: number): string {
  * @returns
  */
 export function sumEvenNumbers(numbers: number[]): number {
-  return 0;
+  let sum = 0;
+
+  for (const number of numbers) {
+    if (number % 2 === 0) {
+      sum += number;
+    }
+  }
+  return sum;
 }
 
 /**
@@ -27,5 +45,14 @@ export function sumEvenNumbers(numbers: number[]): number {
  * @returns
  */
 export function countCharacter(text: string, character: string): number {
-  return 0;
+  let count = 0;
+
+  for (const char of text) {
+    if (char === character) {
+      count++; // Increment count if character matches
+    }
+  }
+  return count;
 }
+
+