To Find :
Net worth of Rachel.
Solution :
Net worth is given by the (sum of all the assets she owns) -( total amount of loans she have ).

Therefore, net worth of Rachel is $ 363587.
Hence, this is the required solution.
Answer
The answer and procedures of the exercise are attached in the following archives.
Step-by-step explanation:
You will find the procedures, formulas or necessary explanations in the archive attached below. If you have any question ask and I will aclare your doubts kindly.
Answer:
The joint probility density will be c = 1/36
The joint probability distribution will be c = 1/15
Step-by-step explanation:
For step by step explanation see the pucture attached
So, basically ..you just multiply
9*9*9*9
6561