Any1 answer for me? pls

Which option identifies how kevin should proceed in the following scenario? four years ago kevin designed an mp3 player for young children. now that technology has changed, he would like to update his design to ensure that it encompasses cutting-edge techniques. by creating a third-angle projection of his ideas by designing an isometric projection of his new ideas by referring to past designs and illustrations of his original model by conferring with engineers who have improved upon similar devices

Mario and luigi were printing calendars mario used 2 1/2 ink cartridges while luigi used 1 3/4 ink cartridges .how many more ink cartridges did mario use than luigi

What is the surface area of the triangular prism?