Convert notes into letters please

What is one popular pop artist or group (from today or from the past)? why does this person/group's music fit into the pop genre? why do you think the person/group was successful with their music?

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

Agenre's iconography consists of: a. its characteristic objects, settings, and stars b. the sum of all its conventions c. its use of recurring subject matter d. its typical plot patterns