What is the value of x?

After two years, how much has been paid into interest?

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 number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2