x в квадрате -5x=0 помогите.

What kind of books do you like?What kind of books aren't worth reading?Answer the question and support your opinion with as many reasons as you can.

Из формулы р=р*g*Н выразите высоту: а)р/(p*g) ; в) р*g/p; б)р*р*g; г)р*g/p.

Сколько нулей в конце произведения чисел 11*12*13*14*15..........*127
А)18. В)24. С)29. Д)30