A recent poll of likely North Carolina voters asked who they favored in an upcoming senatorial election
found that 542 favored the democratic candidate and 480 favored the republic candidate.
a. Based upon this poll, what is the best point estimate for the proportion of likely North Carolina
voters who favor the democratic candidate?

okay wait before i answer, is this for your points on a graph?

let m = monomial

let t = trinomial

so, m times t = t.

monomial times a trinomial = another trinomial.

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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