какую географическую закономерность подтверждает расположение природных зон на территории россии??:)

Пожалуйста помогите с заданием и если не затруднит перевод

Complete Jim's story with right words

                                        My Winter Fantasy

Yesterday I went (go) to the park. I ... (meet) my best friend there. It was (be) sunny and cold. We ... (ski) in the park. We ... (play) snowballs and ... (make) a funny snowman. The snowman ... (look) at us and ... (say), "Hello!" We ... (like) it very much.

When I ... (come) home, I ... (have) lunch. At home I ... (do) my homework, ... (watch) TV and ... (draw) a picture of my funny snowman.

I ... (put) the picture on the wall. At 10 pm I ... (go) to bed. The snowman ... (smile) and ... (say), "Good night!" 

К трем динамометрам, соединенным так, как показано на рисунке, подвешен груз. Показания
верхнего и нижнего динамометров 90 Н и 30 Н соответственно. Определите показания среднего
динамометра

блин пожалуйста помогите
a)  sin(10)+2sin(25)*cos(35)


б) sin(51)*cos(39)-sin(21)*cos(9)

Use the correct forms of the verbs in brackets

What you (to think) about when I (to enter)

After they (to walk) four miles they (to see) and old hous

The train (to arrive) when she (to speak) to the porter

It (not to rain) hard.It ( to clear up) in a little while,I hope

She always has a guilty conscience if she (not to do ) thingh in the right way

Those two men(to quarrel) for some time.

By next year,she (to forget) everything she learned in this clas

By the time we(To get) to the aeroport,our plane (to leave alredy)

I (to hear) some loud noises right now

All the student’s grades(to distributes) next week

Her dress (To tear) on a nail

You ever(to speak) To him about to matter