Abookshop has 30816exercise books which were packed in cartons. each carton contained 24 exercise books. the mass of an empty carton was 2kg and of a full carton is 12kg. what was the total mass of the empty cartons?

(50 points) drag each description to the correct location on the table. each description can be used more than once. some systems of equations and their graphs are given in the table. for each system, place the description(s) in the box that correctly describe the type of system shown. :