Is 7.7878878888.. a rational number A. yes it has a pattern which is repeated
B. Yes it has a pattern which is terminating
C. No it has a pattern which is predictable but nonrepeating
D. no it has a pattern which is random and nonterminating

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 measure of angle tvu shown in the diagram below

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.