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:
3 would be 3 million
Step-by-step explanation:
Answer:
I need the following to answer
Step-by-step explanation:
D. 36x^12y^6 is the correct answer
Answer:
If $657 is 27% off, then $657 = 100-27% or 73%.
So you want to know what's 100%. So you use a ratio. 100/73 * $657. Which equals $900.
Step-by-step explanation: