Amovie starts at 7: 15pm. the movie is 2 hours and 15 min. when does the movie end

Solve this system of equations using the elimination method?

All of the following physical reactions occur when our fight-or-flight response is triggered  except  a.dilating pupilsb.increasing heartbeatc.increasing digestiond.increasing perspiration  select the best answer from the choices providedabcd

How do astronomers measure the amount of dark matter in the universe