In which context will the inequality 4x + 5y > 80 have only integers in its solution set?
a. when x represents prices, in dollars, of adult tickets and y represents prices, in dollars, of student tickets
b. when x represents weights, in pounds, of apples and y represents weights, in pounds, of oranges
c. when x represents time, in hours, spent babysitting and y represents time, in hours, working at a bakery
d. when x represents the number of cats and y represents the number of dogs

Can any one me with the answers to these questions asap?

Savannah is painting a striped background for a mural on a wall that is 1515 yards long. she wants a total of 9696 stripes that are all the same width. which calculation should savannah use to decide how wide to make each stripe?

Someone answer asap for ! 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.