Write the next 4 digits in the repeating decimal 4.715

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).

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28

What is the answer to the question 5x+2x