1. HW: p. 283 #6-18 6.Elimination (+); (2, -3) 7.Substitution; (2, 6) 8.Substitution; No Solution 9.Elimination (x) or substitution; (3, 1) 10. Substitution; Infinitely Many Solutions 11. Elimination (–) ; No solution 12. x + y = 40 y = 3x – 4 29 movies, 11 television shows 13. 880 books; If they sell this number, then their income and expenses both equal $35,200. 14. Substitution; (8,11) 15. Elimination (x); (-6, 2) 16. Elimination (–); (16, 8) 17. Let x = the cost per pound of aluminum cans and 17.let y = the cost per pound of newspaper. Mara: 9x + 26y = 3.77 Ling: 9x + 114y = 4.65 18. $0.39

2. A.A B.B C.C D.D Lesson 5 CYP1 POOL PARTY At the school pool party, Mr. Lewis bought 1 adult ticket and 2 child tickets for $10. Mrs. Vroom bought 2 adult tickets and 3 child tickets for $17. Define variables and set up a system of equations. Use the graphing calculator to solve.

3. Lesson 5 CYP2 1.A 2.B 3.C 4.D VIDEO GAMES The cost to rent a video game from Action Video is $2 plus $0.50 per day. The cost to rent a video game at TeeVee Rentals is $1 plus $0.75 per day. After how many days will the cost of renting a video game at Action Video be the same as the cost of renting a video game at TeeVee Rentals?