ALGEBRA2: you work for a bbq restaurant and the owner sends you out to pick up packages of rolls. which is a better deal? Please help and explain if you added, subtracted, multiply etc, pls explain everything thing you did to get your answer :))

Need now 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.

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.

Andy has $310 in his account. each week, w, he withdraws $30 for his expenses. which expression could be used if he wanted to find out how much money he had left after 8 weeks?