You have checked out b books from the library, where b is a number greater than 5. you plan to read three of the books and return them at the end of this week. in how many ways can you pick the books you will read first, second, and third? a. b3 ways b. (b3 - 3b2 + 2b) ways c. (b3 - 9b2 + 27b - 27) ways d. (5b - 3) ways

Amir wants to proportionally increase the size of a photo to create a poster for his room. the size of the original photo is shown. complete the statement and then answer the question to represent ways that amir can increase the size of his photo.

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.

What is the scale factor of two similar pyramids with volumes of 64 cubic feet and 8 cubic feet