What portions of your face hold symmetry?

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).

Given: m∠ adb = m∠cdb ad ≅ dc prove: m∠ bac = m∠bca lol

Given ab and cb are tangents of p, and m =10°. what is the measure of abp?