Allen added 16 and 15 for a sum of 1330. Is Allen correct? Explain.

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).

If you could answer these your a life saver

Factor the expression using the gcf. the expression 21m−49n factored using the gcf