The school that Stefan goes to is selling tickets to a choral performance. On the first day of ticket sales the school sold 3 senior citizen tickets and 1 child ticket for a total of $38. The school took in S52 on the second day by selling 3 senior citizen tickets and 2 child tickets.
Which equations represent the system that could be used?
1s + 3 = 38
2s + 3 = 52
3s +1c = 38
o
3s + 20 = 52
S+ c = 38
s+c=52
3s + 3 = 38
о
1s + 20 = 52

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.