Pe o piatră stau la soare 3 șopârle. pe o altă piatră stau de două ori mai multe șopârle. Câte șopârle stau la soare pe a doua piatră​

In a school 2/3 of the students study a language of those who study a language 2/5 study french

Pls! does anybody know a shortcut for answering these types of questions in the future?

This circle is centered at the origin, and the length of its radius is 6. what is the circle's equation? a. x^2+y^2=36 b x^2+y^2=6 c x+y=36 d x^6+y^6=1