How do you say how old are you in japanese

Natasha, belinda, and ava are working on an art project together. when natasha sees whatbelinda has contributed, she says there is no way they can include her work because it lookslike a third grader did it. the communication mistake natasha has made isa.)groupthinkb.)collaborating with strangers. c.)failing to create a group connection. d.)criticizing the person, not the process.

How should i study korean, and how many hours should i study it? i am a high school student already learn japanese in class, also i play sports so i tend to not study korean much because i have an excuse, like, ‘i dont know how to properly study for korean’ 감사합니다

Rules and regulations for governing ancient people’s lives is called