The Brittle Bird Store prepares bird-seed mixtures by mixing sunflower seeds and millet and packaging them as 5-pound bags for sale. If sunflower seed (s) is regularly sold for $1.75 per pound, and millet (m) is sold for $2.50 per pound, what system of equations could be used to calculate how many pounds of sunflower seed is added to the mixture if the store sells the mixture for $15? Answers {s+m=15 1.75(s+2.5m)=5 s+m=15 1.75s+2.5m=5 s+m=5 1.75s+2.5m=15 4.25(s+m)=15 s+m=5

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Me max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.

50 will mark show all use the linear combination method to solve the system of equations. explain each step of your solution. if steps are not explained, you will not receive credit for that step. 2x+9y= -26 -3x-7y=13