Adomino is a rectangular tile composed of two squares. an integer is represented on both squares, and each integer 0-9 is paired with every integer 0-9 exactly once to form a complete set. a $\textit{double}$ is a domino that has the same integer on both of its squares. what is the probability that a domino randomly selected from a set will be a $\textit{double}$? express your answer as a common fraction.

Carlos hears juan and rita’s complaints about the new employees with whom they have to work with, as well as their threats to quit the company. if carlos were to reassign juan and rita to new, unique roles and separate them from the ronny and bill, it would signal that carlos has moved into the stage of managing resistance.

Dan mcclure is trying to decide on how many copies of a book to purchase at the start of the upcoming selling season for his bookstore. the book retails at $28.00. the publisher sells the book to dan for $20.00. dan will dispose of all the unsold copies of the book at 75 percent off the retail price, at the end of the season. dan estimates that demand for this book during the season is normal with a mean of 100 and a standard deviation of 42. a. how many books should dan order to maximize his expected profit? b. given the order quantity in part a, what is dan's expected profit? c. the publisher's variable cost per book is $7.50. given the order quantity in part a, what is the publisher's expected profit?

Match each type of insurance with an example of when the insurance company would make a payment.a.liability coverageyou cause an accident that damages someone else's car.b.disability insuranceyou go to the emergency room after a car accident.c.renter's insuranceyour stereo and computer are stolen from your apartment.d.health insuranceyou have to take a month off from work because of a broken leg.