Solve the equation.
x-5(x-1)=x-(2x-3)

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).

What is the sum of the first 8 terms of the geometric series

Afair die is cast four times. calculate the probability of obtaining exactly two 6's round to the nearest tenth of a percent