C#m
cb
4 sharps will be F#, C#, G# and D#. They mean the key of E major, or its relative key of C# minor.
Two sharps is either D major or B minor.
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)
D major and 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.
4 sharps will be F#, C#, G# and D#. They mean the key of E major, or its relative key of C# minor.
There are no sharps in the key signature, but in the harmonic minor there is a G#.
a minor
A major has 3 sharps, A minor has no sharps or flats.
C Major, zero flats and zero sharps. The minor scale with the same number of flats and sharps is 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 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 keys of C major and A minor have no sharps or flats.
Two sharps is either D major or B minor.
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)
There's no sharps of flats in the key signature in either C major or A minor.