A sports car cost 42,000. Each year it’s value decreases by 2,700 what type of function does this situation represent

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?

Sum of the interior angles of a pentagon

If the perimeter of the square equals the perimeter of the regular pentagon. each side of a pentagon is 16cm long. how long is each side of the square?