Use a system of equations to solve this problem. abby filled her goodie bags with 4 cookies and 3 candy bars and spent a total of $10.25 per bag. marissa filled her goodie bags with 2 cookies and 7 candy bars and spent a total of $14.75 per bag. let x = the cost of the cookies. let y = the cost of the candy bars. what is the cost of each cookie and each candy bar? enter your answers, as decimals, in the boxes. $ is the cost of each cookie $ the cost of each candy bar

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.