You and your family are planning to rent a van for a 1 day trip to Disney World in Orlando, Florida. For your van your family wants, Enterprise charges $25 per day plus 50 cents per mile to rent the van. Avis Car Rental
charges $40 per day plus 25 cents per mile to rent the same type of van.
1. Write a mathematical model to represent the cost of renting a van from Enterprise for 1 day.

  n=   0.0000 - 0.3750 i  

  n=   0.0000 + 0.3750 i

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one of these should be correct

answer: a video game has three difficulty levels: easy, medium, and expert. the game's scoring works in such a way that a player has to score a fixed number of points to advance to the next level, and then the scoring starts over. the total score needed to clear all three difficulty levels is 7,500. two times the number of points needed to clear the easy level is 500 more than the number of points needed to clear the medium level. twice the number of points needed to clear the medium difficulty level is 1,500 more than the number of points needed to clear the expert level. if x, y, and z represent the easy, medium, and expert levels, respectively, and a is the coefficient matrix of the system of equations modeling this situation, identify the inverse matrix, a-1, and the solution matrix, x, of the system of equations.

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