If the mean weight of 4 backfield members on the football team is 323 lb and the mean weight of the 7 other players is 190 lb, what is the mean weight of the 11 person team?

Suppose the first five terms of a sequence are 4, 5, 9, 27, 123. how could the next term in the sequence be generated?

Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20

How do you summarize data in a two-way frequency table?