Write each set in roster form and in set-builder notation (1.) D is the set of integers greater than -5 and less than 5.
(2.) N is the set if odd natural numbers less than 14.
(3.) P is the set of natural numbers less than or equal to 7.
(4.) T is the set of real numbers that are factors of 18.
(5). A is the set of integers between -3 and 5.

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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rauschg

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yes.. it's proven to be 36.