Problem 1E Problem 2E Problem 3E Problem 4E Problem 5E Problem 6E: In Exercises 514, the matrix associated with the solution to a system of linear equations in x, y,... Problem 7E: In Exercises 514, the matrix associated with the solution to a system of linear equations in x, y,... Problem 8E: In Exercises 514, the matrix associated with the solution to a system of linear equations in x, y,... Problem 9E: In Exercises 514, the matrix associated with the solution to a system of linear equations in x, y,... Problem 10E: In Exercises 514, the matrix associated with the solution to a system of linear equations in x, y,... Problem 11E: In Exercises 514, the matrix associated with the solution to a system of linear equations in x, y,... Problem 12E: In Exercises 514, the matrix associated with the solution to a system of linear equations in x, y,... Problem 13E: In Exercises 514, the matrix associated with the solution to a system of linear equations in x, y,... Problem 14E: In Exercises 514, the matrix associated with the solution to a system of linear equations in x, y,... Problem 15E: Solve the systems in Exercises 1522. 15. {x+yz=0x2yz=62x+2y+z=3 Problem 16E: Solve the systems in Exercises 1522. 16. {x2y+z=52xy+2z=63x+2yz=1 Problem 17E: Solve the systems in Exercises 1522. 17. {3x2y+5z=15x2y2z=12x2y=0 Problem 18E: Solve the systems in Exercises 1522. 18. {x3y+5z=52x4y3z=92x3y+z=1 Problem 19E: Solve the systems in Exercises 1522. 19. {2x3y+4z=56x7y8z=92x+y+z=1 Problem 20E: Solve the systems in Exercises 1522. 20. {4x+3y+8z=12x+3y+8z=52x+5y+5z=6 Problem 21E: Solve the systems in Exercises 1522. 21. {xy+zw=22x+4z+w=52x3y+z=5y+2z+20w=4 Problem 22E: Solve the systems in Exercises 1522. 22. {x2y+z3w=102x3y+4z+w=122x3y+z4w=7xy+z+w=4 Problem 23E: In Exercises 2332, find the solutions, if any exist, to the systems. 23.... Problem 24E: In Exercises 2332, find the solutions, if any exist, to the systems. 24.... Problem 25E: In Exercises 2332, find the solutions, if any exist, to the systems. 25.... Problem 26E: In Exercises 2332, find the solutions, if any exist, to the systems. 26.... Problem 27E: In Exercises 2332, find the solutions, if any exist, to the systems. 27.... Problem 28E: In Exercises 2332, find the solutions, if any exist, to the systems. 28. {x3y+2z=122x6y+z=7 Problem 29E: In Exercises 2332, find the solutions, if any exist, to the systems. 29. {2x3y+2z=52xy+3z=6 Problem 30E: In Exercises 2332, find the solutions, if any exist, to the systems. 30. {3x2y+z=42x3y+z=3 Problem 31E: In Exercises 2332, find the solutions, if any exist, to the systems. 31.... Problem 32E: In Exercises 2332, find the solutions, if any exist, to the systems. 32.... Problem 33E: Ticket Pricing A theater owner wants to divide a 3600-seat theater into three sections, with tickets... Problem 34E: Rental Cars A car rental agency rents compact, mid-size, and luxury cars. Its goal is to purchase 90... Problem 35E: Testing A professor wants to create a test that has 15 true-false questions, 10 multiple-choice... Problem 36E: Testing A professor wants to create a test that has true-false questions, multiple-choice questions,... Problem 37E Problem 38E Problem 39E Problem 40E Problem 41E: Some of the following exercises have nonunique solutions. 41. Social Services A social agency is... Problem 42E: Some of the following exercises have nonunique solutions. 42. Investment A man has 235,000 invested... Problem 43E: Some of the following exercises have nonunique solutions. 43. Investment A brokerage house offers... Problem 44E Problem 45E: Some of the following exercises have nonunique solutions. 45. Purchasing A young man wins 100,000... Problem 46E: Some of the following exercises have nonunique solutions. 46. Investment A trust account manager has... Problem 47E: Some of the following exercises have nonunique solutions. 47. Investments An investor wants to place... Problem 48E Problem 49E Problem 50E: Some of the following exercises have nonunique solutions. 50. Traffic Flow In an analysis of... Problem 51E: Some of the following exercises have nonunique solutions. 51. Irrigation An irrigation system allows... format_list_bulleted