Geometry acellus help please i beg

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

One of the inventors of integrated circuits observed that the number of transistors that fit on an integrated circuit will double every 24 months. what type of relationship most appropriately models this situation?

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.