I would choose the answer D
Answer:

Step-by-step explanation:
Intersection represents the elements present in both sets.
Best Regards!
Answer:
15,100
Step-by-step explanation:
because 5,200+2,500+8,000+1,800=17,500 which is how much she owes and what she has is 2,400 so 17,500- 2,400= 15,100 so her net worth is 15,100