Richard Wagner, a German opera composer, used the technique of:

A. mimicking Italian opera
B. leit motif, short musical logos attached to characters, events, emotions, or actions
C. staging cantatas and oratorios with secular subjects involving other worldly characters and events

Dominic and stacy each have a stamp collection. dominic has six fewer stamps than three times the number of stamps stacy has. dominic and stacy decide to give all of their stamps to their younger sister, mary. if stacy had s stamps, which expression represents the number of stamps that mary received? a. (3s − 18)(3s − 6) b. 2s − 18 c. 4s − 6 d. 4s − 18