4. Given n(A) = 120, n (B) = 100, and n(AB) = 40. Find n(AUB). Answer...

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4. Given n(A) = 120, n (B) = 100, and n(AB) = 40. Find n(AUB). Answer 5. The folowing information gives the number of elements in some subsets of A, B, and C. Represent this information with a Venn diagram. n(ABC)=2, n(ANB) = 6, n(ANC) = 5, n(BNC) = 3, n(A) = 15, n(B) = 12, n =15 6. A marketing class polled 150 people to determine how maany read the Daily News and how many read the Weekly Gazette. They found the folowing: 126 read the Daily News, 31 read both and 10 read neither. How many read the Weekly Gazette? Answer 7. Forty students in a music appreciation class could attend a piano recital or a voice recital for extra points. Twenty students attended the piano recital, 23 attended the voice recital, and 6 attended neither. How many attended both? 8. 9. Answer Heidi has 6 necklaces and 8 pairs of earrings. In how many different ways can she select a necklace and a pair of earrings to wear? Answer Professor Okamoto selects 3 different students to report on 3 different current events. If there are 28 students in the class, in how many ways can Professor Okamoto make the selection? Answer 18. From a set of 7 math books, 9 science books, and 5 literature books, in how many ways can a student select 2 from each set? Answer 19. Mrs. Brown has 21 children in her first-grade class, and Mr. Lopez has 23 children in his second-grade class. The principal has been asked to select 1 student from one of the classes to appear at a PTA meeting. In how many ways can the selection be made? Answer 20. Billy has 43 baseball cards and Scottie has 36. How many ways can Billy trade 2 of his cards for 2 of Scottie's cards? Answer 4. Given n(A) = 120, n (B) = 100, and n(AB) = 40. Find n(AUB). Answer 5. The folowing information gives the number of elements in some subsets of A, B, and C. Represent this information with a Venn diagram. n(ABC)=2, n(ANB) = 6, n(ANC) = 5, n(BNC) = 3, n(A) = 15, n(B) = 12, n =15 6. A marketing class polled 150 people to determine how maany read the Daily News and how many read the Weekly Gazette. They found the folowing: 126 read the Daily News, 31 read both and 10 read neither. How many read the Weekly Gazette? Answer 7. Forty students in a music appreciation class could attend a piano recital or a voice recital for extra points. Twenty students attended the piano recital, 23 attended the voice recital, and 6 attended neither. How many attended both? 8. 9. Answer Heidi has 6 necklaces and 8 pairs of earrings. In how many different ways can she select a necklace and a pair of earrings to wear? Answer Professor Okamoto selects 3 different students to report on 3 different current events. If there are 28 students in the class, in how many ways can Professor Okamoto make the selection? Answer 18. From a set of 7 math books, 9 science books, and 5 literature books, in how many ways can a student select 2 from each set? Answer 19. Mrs. Brown has 21 children in her first-grade class, and Mr. Lopez has 23 children in his second-grade class. The principal has been asked to select 1 student from one of the classes to appear at a PTA meeting. In how many ways can the selection be made? Answer 20. Billy has 43 baseball cards and Scottie has 36. How many ways can Billy trade 2 of his cards for 2 of Scottie's cards? Answer