Answer:
1. taking part in their loss by informing your condolences. we can also help them by giving some money and such.
2. dad- we can try to do some small side job and provide some money.
mom- you can go buy medicines for her and do the needful to make her health better and also do house chores.
3. we can assure the teacher that we will help her and also find the record with her.
4. you can go to her area and help her with the necessary preparations needed and also help the friend with money
5. we can contribute in this mission by giving money and also stay enthusiastically in the preperations necessary
hope it helps