* 21 were instructed in singing and dancing. * 18 were instructed in singing and acting. * 23 were instructed in acting and dancing. How many campers received instruction in all three art forms? 5. Guido is planning a summer trip to visit ancient ruins in southern Italy. Give four search terms Guido might use to find information this topic, and use a Venn diagram to illustrate how using quotation marks and the "&" symbol can help him refine his search. 6. You roll a standard die and flip a coin. a) Draw a tree diagram to show all possible outcomes