please help with the short tasks in c++

6. Have the user choose a number between 1 and 100 . Use a while loop to let the computer guess the random number. The user should tell the computer if the guess is HIGH of LOW and the computer should adjust accordingly, until it figures out the number. 7. Create a function that takes in a number and outputs a box of stars of that size. 8. Create a function that takes in a number and outputs all the primes up until and including that number. 9. Create a function named ALICE that calls another named BOB. Each function should say it's name when it is called. 10. Create a function that takes in X and adds 2 to it using pass by reference