How do you write the quotient of 9 times a number and 6

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

Asocial networking site currently has 400,000 active members, and that figure is predicted to increase by 32% each year. the following expression represents the number of active members on the site after t years.

    choose the correct definition for  extremo.  a.  end      b.  extra      c.  extract      d.  eventual