7(0,5а +1)+1,5а-9 при а = -0,8

Present Continuous в действительном залоге. Оборот to be going to do smth. Past indefinite (Simple) в действительном залоге

1. Open the brackets.

Thomas (to be) a student. He (to study) at the London nautical school and he (to want) to be a radio-officer. But now he (to have) his holidays. He (to be) in Bristol now. He (to stay) at the Hilton hotel at the moment. He usually (to stay) here because he (to like) it very much. He (to write) a letter to his parents now. He always (to write) to them when he (to be) away. He (to leave) for London tomorrow evening. He (to take) his exam in English in a week. He (to be going) to pass it successfully. Besides he (to have) a girlfriend Jane by name. They (to be going) to marry very soon.

Вычислить кол-во вещества водорода, который образуется в результате реакции цинка массой 13г с соляной кислотой. С полным решением. Очень срочно!!!

В магазине 36 кг конфет В понедельник продали 5/9 от всего кол-во конфет Сколько кг конфет продали в понедельник?

на участк пути автобус двигался с ускорением1.25 м.с в квадрате.определите силу тяги двигателя, если масса автобуса 10т. а сила сопрат 2кН. ответ в кН