Let X and Y be the following sets: X={4, 5, 7, 9} Y={}

answer: (1,3) and (-2,0) i think.

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⭐

c. (3,2,6) is the answer.

quit

step-by-step explanation: