Please help me I have 3 questions

Question

1- Open Microsoft Word.
-Answer the question and save the file
- Click on the link HW1 and attach your file and press send button.
Question:
? Write an algorithm and flowchart to read three numbers and compare them, then print the largest one
https://www.sololearn.com/discuss/1239735/?ref=app

Answer 1

2- Write a C++ program to read 5 different marks and calculate the average using equation: Average = (sum of marks ÷ 500) × 100 You should do this: 1- check the mark if its less than zero or greater than 100, told the user to enter another mark without exit of program. 2- use one of iteration loops. 3- load your .cpp file by using browse my computer button.

Answer 2

3- Answer the question below and save your file.
- Click on the link HW3 above.
- Click on brows my computer and attach your c++ file then press submit button.
Questions:
- Using Functions: Write a C++ program to ask the user to enter a number then find sum of even numbers less than the entry number.