The technology company asks the general contractor to lay gravel on the ground in the area between the warehouse and the fence. each bag of gravel, g, covers 12x square feet of land. which of the following situations best models the minimum number of bags of gravel necessary to cover the ground between the warehouse and the fence? g = 12x ∙ 84x2 g = g = 84x2 - 12x none of the above.

None of the above

Step-by-step explanation:

The correct answer to express the amount of bags necessary to cover the whole area of ground betwween the warehpuse and the fence would be a division between the area in square feet and 12 which is the number of feet that you can cover with a bag.

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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