Answer: Increase
Explanation:
There is an economic notion that holds that a person's preference is independent of their current income. This means that given more income, people will generally demand more expensive things.
This is the case here. Mr. Brennan may not have been able to afford big houses before winning the lottery but now that he can, he would probably want more big houses. This translates to an increase in his demand for them.
The star regulus is in constellation leo
Popocatepetl is very active, in fact it erupted this month as well! It's also the most active volcano in Mexico!
Ixtaccihiatl is a dormant volcano, so it's not active.
Tepanapa is not an active volcano, in fact, it's a man-made pyramid!
So the correct answer is b)