NPr = n! / (n-r)!
8P4 = 8! / (8-4)!
= 8! / 4!
= 1,680
Answer:
slope : 1/15
Step-by-step explanation:
slope = change in y / change in x
change in y = 1 / change in x = 15
therefore, 1/15 = slope
Answer:
D
Step-by-step explanation:
6(x + 8) = Plug in x with 4
6(4 + 8) =
6(12) =
72