Answer:
3
Step-by-step explanation:
Look at how the x values gets multiplied by 3
Answer: 30 Pins
Step-by-step explanation:
I solved it on khan academy
It’s the second option counting from top to bottom
The answer is C.
Here's why, nPr = n!/(n-r)!. Plug in 7 for n and 3 for r. And you get 7!/(7-3)!.
Thus, 7!/4! = (7*6*5*4*3*2*1)/(4*3*2*1), which simplifies to 7*6*5 = 210