Help plz and tell me without reporting me what yall think of my design fo my merch plz

Determine the mean and variance of the random variable with the following probability mass function. f(x)=( 729divided by 91) (1 divided by 9) superscript x baseline comma x equals 1,2,3 round your answers to three decimal places (e. g. 98.765).

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?

Find the center of the circle that can be circumscribed about efg with e(4,4) f(4,2) g(8,2)