(PLZ HELP I'M DOING THE QUIZ RN AND IT'S LIKE 50MINS LONG) Gaston has $65 in savings and he is ready to shop. He wants to buy a game for $29 and spend the rest on very cool face masks. Each mask costs $9. Determine the inequality that represents the number of masks he can buy?

A, x ≥ 4
B. x ≤ 9
C. x ≥ 9
D. x ≤ 4

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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