Arionna claims that since there are 3 feet in a yard, there are 9 cubic feet in a cubic yard. which statement about her claim is true? arionna is correct because there are 3 feet across the length of a cubic yard and 3 feet across the depth of a cubic yard. mc011-1.jpg arionna is correct because there are 3 feet in a yard and there are 3 dimensions in a cubic yard: length, depth, and height. mc011-2.jpg arionna is incorrect. there are only 3 cubic feet in a cubic yard because there are 3 feet in a yard, and the proportion will remain constant. arionna is incorrect. there are 27 cubic feet in a cubic yard because a cubic yard is a prism with dimensions 3 ft mc011-3.jpg 3 ft mc011-4.jpg 3 ft. a prism with those dimensions will take 27 cubes to fill it if each cube is a unit cube of 1 ft.

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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$15 each

step-by-step explanation:

$45/3 children= $15 each