Abookstore is having a sale in which customers can purchase 10 books for a price of b dollars. which expression represents the price of a single book? a) b/10 b) 10b c) 10 - b d) 10/b asap! there's 10 questions!

A)

Step-by-step explanation:

Given : A bookstore is having a sale in which customers can purchase 10 books for a price of b dollars.

i.e. the cost of 10 books = b

Then, by applying the unitary method , the price of each book will be

Therefore, the  expression represents the price of a single book is .

56.6

step-by-step explanation:

the ratio of the perimeters is equal to the scale.

the ratio of the areas is equal to the square of the scale.

34 / 20 = k

a / 19.6 = k²

substituting:

a / 19.6 = (34 / 20)²

a = 19.6 (34 / 20)²

a ≈ 56.6

what is the graph

step-by-step explanation: