Identify this area where the footplate of stapes rests

Identify #4 (yellow,  not a space)

Identify the ventricles in the transverse section of the brain

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.