Ellen wants to purchase a book that is regularly priced at $18. the book is discounted 15%. she also needs to pay a 6% sales tax on the discounted price. what is the total amount ellen will pay for the book.

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.