21. y x+2 22. 2x-y 1 4x- 2y 2 19. 6x + 2y = 7 *+y 6 23. On Monday, the office staff at your school paid $8.77 for 4 cups of coffee and 7 bagels. On Wednesday, they paid $15.80 for 8 cups of coffee and 14 bagels. Can you determine the cost of a bagel? Explain. 20. No Solution 21. 0ne Solation Graph the system of linear inequalities. 24. y2x-3 25. x<3 22. Many y > 1 y 2 -x yS-x+ 2 -3- y -3 23. 3. 1- -3 -1 3 x See left. 26. In an academic competition, scoring is based on a written 24. ivision of Houghton Mifflin Company.

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