Zaria wants you to solve this puzzle: “i am thinking of a number. if you divide my number by 2 and subtract 4, you will get 2. what is my number?

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?

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

Need plz been trying to do it for a long time and still haven’t succeeded