If point X is between W and Y then WX + XY = WY.

always
sometimes
never

Always

Step-by-step explanation:

lets say WY = 8

WX = 2

hope this helps

XY = 6

WX(2) + XY(6) = 8

Percentile rank formula is used to give rank percentile of a given list, in normal calculations we know the formula is R = p/100(n+1), in excel we use the rank.eq function with the count function to calculate the rank percentile of a given list.

Step-by-step explanation:

hope this helps