What is the least amount of cardboard needed to make a box that is 8in by 12in by 12in​

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

Asunflower was 20 1/2 inches tall. over the next 6 months, it grew to a height of 37 inches tall. what was the average yearly growth rate of the height of the plzzz write a proportion i will give you 100 points

Need asap. solve for the following inequality