Billy is 6 years younger than amy. the sum of their ages is 22. how old will each of them be in 8 years?
the graph shows the two equations, where x = amy and y = billy. what is the answer to the problem?
a) amy is 8 and billy is 14.
b) amy is 14 and billy is 8.
c) amy will be 16 and billy will be 22.
d) amy will be 22 and billy will be 16.

your answer is the frist one

hop i

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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