The A minor chord i7 is the A min 7 chord, and contains the notes A, C, E, and G. This tonic 7th chords root / starting note is the 1st note (or scale degree) of the A natural minor scale. The roman numeral for number 1 is 'i', and is used to indicate this is the 1st chord in the scale.
Yes, because you can use aspects of math to improve your artwork. For example, if you were trying to create a perfect square for a piece of artwork, it would be hard to do without math.
To have respect for the people that are her today
Michelangelo sculpt the mother figure in his Pieta as a young woman as it is an important work that balances the Renaissance ideals of classical beauty with naturalism.