Разложите на множители
a) 15ax + 20bx
б) 7 y⁵ + 21y³

If would be nice if we ( to book) seats the stalls

If Eliza ( to improve) her pronunciation, she ( not to speak) such a terrible language If Viorica Chirca ( not to play) Eliza's part well, the audience ( not applaud) so mach.

If the theatre repertoire ) include) more classical plays, its prestige  would gratly increase.

what you ( to do) in your school if you ( to be) Professor Higgins? If all of you  ( to watch or to read0 the play Pygmalion you ( to understand) haw important it is to speak a perfect language.
нужно преобразовать глаголы

В каких формах (падеж число род) им прил имеет данное окончание Ым им Ом ем Ого его Ую Юю Ие