Asurvey was done that asked students to indicate whether or not they have ever prepared a meal for their family. what is the ratio of those who have prepared a meal for their family to those who have not? enter your answer, in simplified form without decimals, in the boxes.

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