It could be interfered that Andrea is likely to have less impairment than Bill as her fears only trigger in one factor in which are the action of giving speeches, where in Bill has fears of most social situations which could affect his entire life for his fear trigger often. That is why Andrea has less impairment compared to Bill who has more than her.
140/90 would be considered really high! Hope this helps!!
For the first question the answer is D and for the second question the answer should be B, hope this helps!
A: Melatonin
It's a hormone that controls sleep for the body.