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.

If rt is greater than ba, which statement must be true ?

Someone answer asap for ! a ball is rolled down a ramp. the height, f(x), in meters, of the ball x seconds after it is released is modeled by the function f(x) = x²- 10x + 25 for all values of x from 0 to 5. which statement about the ball is true? a. the maximum height of the ball is 5 meters b. the height of the ball increases from 0 to 5 meters above the ground. c. the ball has traveled 5 meters when it reaches the bottom of the ramp. d. the ball has been traveling for 5 seconds when it reaches the bottom of the ramp

Find the zeros of each function. f(x) = 6x^2 - 7x - 20