Suppose that the online retailer Amazon needs to use larger and larger cardboard boxes over time. One particular model of a tall cardboard box with a square base keeps being changed so that its volume increases by 80 cubic inches each year, while its height increases by 0.5 inches each year. What is the rate of change of the width of the box when the box has a height of 30 inches and a width of 20 inches? Show all of your work.

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