16 skateboards to 2 skateboards? (The percentage)

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 sin 7x/4 ? i need on this urgent trig

Acar travels at an average speed of 56 miles per hour. how long does it take to travel 196 miles