Answer:
In the 19th century most art was about landscape painting, and naturalism.
Explanation:
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In music, timbre is the quality of a musical note, sound, or tone that distinguishes different types of sound production, such as voices and musical instruments, string instruments, wind instruments, and percussion instruments.
In simple terms, timbre is what makes a particular musical sound different from another, even when they have the same pitch and loudness.
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Answer:
(1st picture): y=2x+3 and y=x+5
(2nd picture): y=4x+2 and y =3x+2
(3rd picture): y=2x+1 and y =x+2
(4th picture): 3x and x+3