знайти похідну z=sqrt(x^2-y^2)

(p-2)(p+3)-(p+1)(p-6) - Найдите значение выражения

Read the questions for your new classmate.Put in prepositions if necessary:

__Where are you.......................?

__Do oyu miss................................your old school?

__What kind.................................music do you like to listen...?

__Do you speak..........................any musical instrument?

__What are you reading.......................................the moment?

__How are you gettig.....................................with your new friends?

Сегодня срожно надо.пожалуйста!!!