Which of the following is NOT a known way for a user or program to interact with Operating System. 

The following var-cov matrix of market index M, stock S, and stock B:            |      M           S              B          M |     0.1        0.04        0.05          S  |                  0.2           0.06        B  |                                  0.3      Investor K invests $5,000 in Portfolio K with $500 in S and $4,500 in B.  Calculate the total risk of Portfolio K, the systematic risk of Portfolio K, and the unsystematic risk of Portfolio K. 

identify the point of cross over of optic nerves.  

Which of the following is NOT an example of operating system?

Identify this commissure that connect the two cerebral hemispheres.

Identify the muscle that shapes the posterior calf and has two bellies

OSI is a _________ layered communication model.

Identify this part of mandible that forms the temporomandibular with temporal bone

According to Markowitz, discuss all the information or variables that are needed to calculate the risk of a portfolio.  Of the several variables, which variable is the most important variable?  Explain.

Identify the fluid filled space