Answer: 504
Step-by-step explanation:
When we select r things from n things in a order , we use permutations.
Formula for permutation: 
Given : The number of family members who are potential kidney donors. = 9
Number of people needed to be selected for best match, a second-best match, and a third-best match ( in an order)=3
Then, the number of possible orders are = 

Hence, the number of possible orders 504.
Answer:Use math-way go quick and easy answers without step by step explanations, and use math-soup-calculator for step by step explanation
Step-by-step explanation 50%
Hope this helps
You have to rearrange the formula
Step-by-step explanation:
2x²-4x=0
2x²=4x
2x=4
x=2
option C
Answer:
the answer is c (x+2)^2/16 + (y+6)^2/16 <1
Step-by-step explanation:
on edge 2021 unit test got it right