Perform the indicated operation. Express your answer in simplest form. + 1

A premolar with a root that is most commonly bifurcated at the apical 1/3rd is which of the following?

Which of the following is most likely to be vulnerable for a buccal pit which is vulnerable to decay?

I have basic technology skills, such as the ability to use specific applications in specific ways (e.g., email, Internet, spreadsheets, and documents).

All of the following are characteristic of the primary mandibular second molar EXCEPT one.  Which one is the EXCEPTION?

I know how to use and install more than one Web browser (e.g., Internet Explorer, Firefox, Safari, or Chrome).

A hygienist will spend the majority of her time scaling in the space between the tooth and gingiva.  She will also take millimeter probe readings in this area.  What is it called?

Which teeth represent the permanent maxillary first premolars? 

Perform the indicated operation. Express your answer in simplest form. + 

I am able to express my opinion in writing so that others understand what I mean.