How many notes are there in a major scale including the octave?
how many tetrachords are needed to make one major scale?
is the interval between tertachords of a major scale a whole or half step?

Suppose that you are in a room with 3 doors and a crack in the ceiling for light. that is all. the doors each have a sign on them that says what there is behind them. door #1. a pool of corrosive acid. door #2. a crocodile that hasn't eaten in 8 months. door #3. a solar "oven". a giant lens that focuses all the sunlight at the entrance of the door. you must choose a door, which door do you choose?

Gus needs to purée his soup while it's still in the pot. what is the best tool for him to use?

Using the correct order of operations, what does this formula equal? =(4-2)*6/2.