What would the minimum amount of transformations to fit a piece into a Tetris puzzle? Show what this would look like and a drawing. please now I don't get it

At his new job, jeremiah can choose an hourly rate of $9 plus a $50 weekly bonus for opening the store, or an hourly rate of $10 per hour with no opening bonus. the equations model his salary options. y = 9x + 50 y = 10x

15 point ! ~ see if you know the answer to both you!

What is number 31 as a sum of tens and ones?