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During which century can it be inferred that "the masque of the red death" probably occurred?

Which music device can composers use to lengthen a note by double? a. staccato b. tenuto c. marcato d. fermata e. rubato

Achair of height 1 m is placed 1 m in front of a plane mirror. a girl is standing 3 m behind the chairas shown. find the minimum length of the plane mirror in order that she can see the whole imageof the chair. a. 0.50 mb. 0.75 mc. 0.80 md. 1.00 m