Ight this was a dare so Smash or Pass

Solve the system of equations below.4x+y=162x + 3y = -2

Which statement is true with regard to beethoven? a. ludwig vin kochel catalogued more than six hundred of his compositions. b. he was the official composer for the powerful and rich eszterhazy family. c. he produced the best piano sonatas and the “ninth symphony” after losing his hearing. d. he wrote the well-known opera “the magic flute” during the last years of his life.

Which of these is a consistent periodic pulse separated into equivalent intervals of time?