To help her students, Dr. Malone held both weekly office hours and a review session before each test. The table above shows the number of students who attended office hours, review sessions, both, or neither. Of the students who attended office hours, how many did not attend review sessions?

To wordsa sentence is made up of a variety of words.

The correct answer is b, social stratification is needed for a society to exist. marxist theory regarding social stratification is that due to the differing economic capacities among people in society, a natural separation occurs between those that own the means of production and those that sell their labour in the production chain. 

The angle measures would be 70 and 90