I am pretty sure it's A but I can't risk it so someone plzz help. Its not really hard.

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?

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

Adifferent website gives the cost for the first train as £56.88 and the second train as £20.11 with a £9.50 charge for cycle storage for the whole trip. how much would the journey cost you?