The minor key with three sharps is B minor. In the key signature of B minor, the sharps are F#, C#, and G#. This key is the relative minor of D major, which also has two sharps in its key signature.
There are four sharps in C sharp minor. These sharps are C# D# F# and G#. The harmonic minor also has B#. (which is C)
The key with 7 sharps is B major. In this key, the notes are B, C#, D#, E, F#, G#, and A#. The relative minor of B major is G# minor, which also contains 7 sharps.
Two sharps is either D major or B minor.
That would be the key of A-sharp minor, the relative to C-sharp major, which contains seven sharps. The leading tone is G-double-sharp.
A major and F# minor each have 3 sharps.
A major has 3 sharps, A minor has no sharps or flats.
A major (or the relative minor - F#minor)
There are no sharps in the key signature, but in the harmonic minor there is a G#.
a minor
C Major, zero flats and zero sharps. The minor scale with the same number of flats and sharps is A Minor.
F# minor, which has 3 sharps in the key signature.
F# minor has a key signature of 3 sharps, whereas Gb minor has a key signature with 6 flats. It's easier to use key signatures with fewer flats/sharps.
C Major, zero flats and zero sharps. The minor scale with the same number of flats and sharps is A Minor.
The key of C major or A minor.
C Major, zero flats and zero sharps. The minor scale with the same number of flats and sharps is A Minor.
The key signature of C major has no sharps or flats, while the key signature of A minor has no sharps or flats. This means they share the same key signature, but C major is a major key and A minor is a minor key.
The keys of C major and A minor have no sharps or flats.