Сумма трёх положительных чисел, составляющих арифметическую прогрессию, равна 15. Если ко второму числу прибавить 1, к третьему 5, а первое оставить без изменения, то получится геометрическая прогрессия. Найдите произведение исходных трёх чисел.

My Brithday

Today is the 27th November.It is my birthday.Today I am ten.It is Sunday and I do not go to school.The weather is fine.I get up at eight o`clok,wash and dress.Then Mummy and Daddy come into my room and say :<<Happy Birthday,happy brithday!Here is a Little birthday present for you.>>They give me a nice book with mane pictures.I like to read books with pictures.My little sister comes to me too and gives me her present.It is a picture of a cat.I say <<Thank you very much>>to my mother,father and sister.Today we are going to have a brithday party.At twelve o`clok my friends come to my place.They wish me a happy birthday and give me their presents:books,toys and pictures.I thank them all.My mother comes and asks us to come to the living-room.There we see a big birthday cake on the table.We eat the cake,drink team and speak about our school and our friends.Them we play,sing and dance.After the party we all go to the cimena and see an intreresing film.I am happy to have a nice day with my friends.
Переведите пожалуйста на Русский-язык.

Помогите пожалуйста!)) Put the verb in the active or passive form:

1.Water (cover) most of the Earth.
2.The factory is big.Five hundred people (employ)thery.\
3.The park’s gate (loke) at 6 p.m. Every evening.
4.The letter (post) a week ago,but (arrive) yesterday.
5.Ron’s parents (die) when he was young. He (bring up) by the grandparents.
6.While I was on holiday my camera (disapper)from my hotel room.
7.While I was on holiday my camera (steal) from my hotel room.
8. I saw an accident last night.Somebody (call)an ambulance,but  nobody(injure)so the ambulance (not/need)
9.Where (these photos /take)?In London?…….(you /take )them?

с какими из следующих веществ может реагировать гидроксид натрия: HCl, LiOH, NaCl, BaO, H3Po4, CO2 . Напишите пожалуйста уравнение возможных реакций!