Can someone help me graph this please! 1. One family has a large tank that captures rainfall daily and then once a week empties 300 gallons into a sanitizing system for the family’s use. This lowers the water level in the tank by six inches. Over a two week span, it rained 1 inch per day the first three days, .5 inches per day the next 5 days, and then was back to 1 inch per day for the last six days. The week always starts on Sunday, and Saturday night is when the tank transfers the 300 gallons. Sketch a graph showing the water level in the tank (y) in inches if it started at 18 inches over the number of days (x) in two weeks.

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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3000000000000000000000