Please help! I will mark brainliest!! :) A bag with 12 marbles has 3 blue marbles and 9 yellow marbles. A marble is chosen from the bag at random. Whats is the probability that it is red? Write your answer as a fraction in simplest form

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