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.

Atype of plant is introduced into an ecosystem and quickly begins to take over. a scientist counts the number of plants after mmonths and develops the equation p(m)= 19.3(1.089)^m to model the situation. most recently, the scientist counted 138 plants. assuming there are no limiting factors to the growth of the plants, about how many months have passed since the plants werefirst introduced? a)o 6.1b)0.6.6c)10 72d)o 23.1