Place
is a city is in north america
india
tokyo
chicago
peru
miami
canada
mexico
let event a= the place is a city.
let event b = the place is in north america.
what is pa and b)?

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil