(01.04 mc) an ice sculpture is melting because of heat. assuming its height changes by negative 5 over 32m every hour, what will be the change in height after 4 hours?

answer: do you still need this?

just take the area of the square and then the area of the circle then subtract the circle area from the squares area

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these sign is used to tell weather the number is greater or less than the number   <   or >     but this sign means its equal =    

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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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