Bb C Db Eb F Gb A Bb
Four notes have flats. The key signature would contain five flats for Bb minor, with accidentals used on the A naturals.
The key of E-flat major has three flats, not sharps. The flats are B-flat, E-flat, and A-flat. In terms of sharps, it is the key that is a minor third above C major, which has no sharps or flats.
The key of A-flat major contains four flats: B, E, A, and D.
There are two flats in the key of B flat major: B flat and E flat.
The key of E-flat major contains three flats: Bb, Eb, and Ab.
5 b flat, e flat, a flat, d flat, and g flat
There are two flats, B flat and E flat. It is the relative minor for B flat Major.
It varies by key, just like with major keys. There can be as few as one flat (D minor) or all seven flats (A-flat minor). Minor keys can have sharps too.
There are no flats in b-minor. B major has two flats, both B-flat and A-flat, but b-flat minor is the relative minor of D-major, which has a sharp key signature. The sharps in b-minor are F-sharp and C-sharp.
There aren't any sharps in c minor - there are three flats, b flat, e flat and a flat.
The key of E-flat major has three flats, not sharps. The flats are B-flat, E-flat, and A-flat. In terms of sharps, it is the key that is a minor third above C major, which has no sharps or flats.
You flat the third and the sixth and seventh.
The B minor scale has two flats. Specifically, it includes the notes B, C#, D, E, F#, G, and A, with its relative key, D major, having two sharps instead. In the natural minor form, B minor incorporates the same two flats as its harmonic and melodic variations.
E Minor is the same key as G Major, and there is one sharp. It is the F#, which in E Minor scale is the second.
There are no sharps that are diatonic to the key of B flat. It is a flat key, with two flats (Bb and Eb) and the notes are: Bb, C, D, Eb, F, G, A, Bb. If there are sharps being used, then they would be chromatic alterations. The most frequently used of those would be the C# (as a #9 - like in the "Hendrix chord") and the F# (as a #5, which is also related through the relative harmonic minor).
Two flats, B flat and E flat
The key of A flat major has four flats: B flat, E flat, A flat and D flat.
If you are talking about key signatures Bb major has 2bs but Bb minor has 5bs.