Awebsite offers a coupon such that each customer has a
15
%
15%15, percent chance of getting the coupon each day they visit the site. aya visits the website for
6
66 consecutive days.
what is the probability that at aya will be offered a coupon on at least one of the days she visits the website?
round your answer to the nearest hundredth

three-fourths of an hour

36÷48=0.75

0.75=

no this is a nonlinear negative

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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