для чего человеку нужно соблюдать требования дисциплины?

в)число,1% которого равен 7

г)число, 40% которого равны 121

Когда Россия стала империей в каком году? 1715 1716 1717 1718 1719 1720 1721 1722 1723 помагите плиззз 

8*(3m-2)-13=5*(12+3m)+28

Example:  to have – had - had

                 to dance – danced

To play, to answer, to stop, to be, to like, to make, to jump, to do, to work, to know, to study, to live, to drink, to watch, to have, to stay, to have, to talk, to get, to earn, to travel, to eat, to go, to finish, to dance, to begin, to read, to bear, to begin, to become, to bring, to buy, to read, to strike, to throw, to wear.