Iwant to learn korean but the grammar is what gets me. (i know a lot of the letters)

like for example there are 3 k's and i don't understand the differences and when you use them, same thing goes for g/k since they mean the same how do i know when a word is with a g or a k if they are represent by the same letter. let me know if there a some good clear websites for this as well.

Write tow things you think must be difficult about being an actor and two things you think must be enjoyable?

What is a form of systematic musicology

Each of the following lines contains a poetic form. find this form and type it into the answer box. be sure to type it exactly as it is written in the line. 1. vi superum, saevae memorem iunonis ob iram 2. o virgo, nova mi facies inopinave surgit 3. nec latuere doli fratem iunonis et irae 4. olli subridens hominum sator atque deorum 5. partibus ex eisdem, et summa dominarier arce