Free points and Brainliest if u give a good answer has to be funny k

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

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).

Is it true or false i’m trying to pass this test so i can leave school