Cai thinks of the area of the poster as the sum of the areas of the three separate sections. write an expression that represents Cai's way of thinking. What does Cai's expression let you see about the layout that Brett's expression does not?

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