Answer:
Hi i think that the correct answer is B
Answer:
The area of the house is A. 1,108
Answer:
it's 6
Step-by-step explanation:
B=7 and D=13, so 13-7= 6
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: x=3
Step-by-step explanation: