To the nearest tenth of a percent, what is fraction 3/11 written as a percent? ,

Write a corresponding real world problem to represent 2x - 125=400

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).

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4