If rs=2x-1 and st=4x+7 then x=
rt=60

9

Step-by-step explanation:

Since S is the point on the line segment RT,

RT = RS + ST, and

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⭐