1) An ultimate frisbee team has to buy supplies for the upcoming season. The cost of 20 jerseys, 10 shorts and 8 hats is $1320. The cost of 35 jerseys and 15 hats is $1975. The cost of 5 shorts and 7 hats is $205. Write a system of equations that can be used to determine the sale price of the jerseys, the shorts, and the hats. (Use x, y and z)

Needmax 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.

What are the values of each variable in the diagram below?

8.74 rounded to the nearest whole number