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.

Which property is illustrated by the following statement? if hxa rgi, then rgi hxa.

How do you find principle and simple interest

Awavelength of 610 nm was found to be the most intense wavelength emitted by copper. answer the following questions about this wavelength of light. a) what is this wavelength in cm? b) what is the frequency that corresponds to this wavelength? c) what is the energy of light of this wavelength? d) what is the wavenumber corresponding to this wavelength?