The value of 2x - y is

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).

Find the value of x for which abcd must be a parallelogram -9-6x x-30

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?