A supermarket sells corn flakes for $3.60 per box. If the markup on the cereal is 30%, how much did the supermarket pay for each box? 40 Points!

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?

For the equations below which statement is true ? -2x=14 6x=-42

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys