Describe the structural relationship of the adrenal medulla…

Describe the structural relationship of the adrenal medulla to the nervous system. I expect you to use college-level writing skills as you compose your paragraph: complete sentences, grammatically correct sentences, correct spelling, standard capitalization, and standard punctuation.

In a hair salon, there are 2 hairdressers and there is no wa…

In a hair salon, there are 2 hairdressers and there is no waiting space. Customer arrivals follow a Poisson process of rate 2 per hour. The service time follows exponential distributions with mean 15 minutes. The 2 hairdressers are equally skilled.  Below is the rate transition diagram where each state is defined as the number of customers in the salon.   In the rate diagram, the value of transition rates are  A = per hour; B = per hour; C = per hour; and  D = per hour.