3+x>-9 what is the answer

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?

What is the distance between the points (2 -3) and (-6 4) on the coordinate plane

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.