evelyn is running a snack sale during lunch to raise money for charity. she is selling hot cheetos with cheese for $1.50 each and chili-cheese fries for $2.50 each. at he end of the day she raised $150 and sold 80 items. how many of each item did she sell answer

step-by-step explanation:

it's is b

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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answers

rauschg

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step-by-step explanation:

answer: 1+1

step-by-step explanation: 1+1 is at least 2

7 is the median   7.875 is the mean

step-by-step explanation:

3,4,5,6,8,11,13,13