At a used-book sale, adult books and children’s books are sold. of the adult books, 70 are nonfiction and 30 are fiction. of the children’s books, 60 are nonfiction and 100 are fiction. if a book is selected at random,

(a) find the probability that the book is a children’s book.
(b) find the probability that the book is nonfiction.

The diameter of a ball is 8 in. what is the volume of the ball? use 3.14 for pi. enter your answer as a decimal in the box. round only your final answer to the nearest hundredth.

The average hourly earnings for a construction worker is projected to be $24.50 in 2012. jason wants to join the construction work force after he graduates in 2012. his friend tells him that average hourly earnings for construction workers will rise by 2% from 2009 to 2012. based on the data below, assuming that the projected hourly earnings are correct, is jason’s friend’s statement accurate? construction industry - average hourly earnings, 2000-2009 a. his friend’s statement is accurate. the average hourly earnings will increase by 2%. b. his friend’s statement is not accurate. the percent increase will be more than 2% c. his friend’s statement is not accurate. the percent increase will be less than 2% d. his friend’s statement is not accurate. the average hourly earnings will decrease

Using the information in the customer order, determine the length and width of the garden. enter the dimensions. length: feet width: feet