(x2-2x+2)+(3x2-4x-10)​

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 fraction 7/9 is equivalent to a percent that is greater than 100%. truefalse

Evaluate the expression. (9 + 5)(3 + 2)0