Jamie wants to work no more than 30 hours per week at his two part-time jobs. the first job pays him $14 per hour and the second job pays him $16 per hour. he must earn more than $250 per week to pay all of his bills. which inequality models this situation?

a. x + y > 250; 14x + 16y ≤ 30
b. x + y < 30; 14x + 16y ≥ 250
c. x + y ≤ 30; 14x + 16y > 250
d. x + y ≥ 30; 14x + 16y < 250

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.