Quintana has 72 stickers she put 9 stickers on each page .then she add 12 more stickers at the end. how many stickers does she have total?

7! = 7×6×5×4×3×2

3! = 3× 2

as 7! is multiple of 3! because 7! contains 3! that is 3× 2 as factor

so 7! /(3! ) = 7× 6× 5× 4

= 42 × 20

= 840

its b) 840✌✌✌

dhruv⭐

point a is the center of the circle that passes through points e, f, and g and the center of the circle that passes through points x, y, and z.