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:
The most reasonable answer would likely be the first.
"When a pair of parallel lines is intersected by a third line, the alternate exterior angles are congruent."
Step-by-step explanation:
Answer:
Step-by-step explanation:
According to the drawing we can see the lines
- A) LI, yes
- B) GJ, yes
- C) CJ, no
- D) BE, yes
- E) FA, no
Well is just their sum, thus
Answer:
if UW = 9x-9 then UW is 5 in units