Juanita has a bag of marbles. without looking, she removes one marble, notes the color and replaces it. she repeats this process 70 times and records the results in the table below. what is the probability that she will pick a blue marble on her 71 st try

Suppose you are an avid reader and are looking to save money on the cost of books instead of paying about $20 for each book, you decide to look into purchasing a kindle for $120 you can purchase e-books for about $5 each 1. find the slope-intercept equation for the cost of the hard copy of books using x to represent the number of books 2. find the slope-intercept equation for the cost of the kindle with cost of e-books using x to represent the number of books