Which is the better buy on cheese 12 slices for $1.80. 24 slices for $3.36

Acertain standardized? test's math scores have a? bell-shaped distribution with a mean of 520 and a standard deviation of 105. complete parts? (a) through? (c)

Which of the following points is a solution to the system of equations shown? y - x = -1 x + y = -5

Is (root2 -2)^2 rational or irrational. show the steps and answer fast