100 points take it I don't want it

The dynamics of a musical piece refer to the a. key signature b. composer’s history c. volume changes d. instrumentation

Daphne has calculated the total cost of a meal to be $5. she wants to make 70 percent on each meal. what will be the cost of the meal after adding the percentage? a. $8.50 b. $7.14 c. $3.50 d. $14.00

Escribe un adjetivo a cada sustantivomelodiosas - claro - mole.stos - oscura - espaciosos - bulliciosas - tranquilo - acogedora - día - noche - músicas - ruidos - casa - pueblo - pisos - ciudades