Y=-3x+15 create a word problem

What rule describes a dilation with a scale factor of 4 and the center of dilation at the origin?

Jody bought 20 shares of amazon at the close price of $121.00. she bought 20 more shares a year later at the price of $127.00. two years later, she sold all of her shares at the price of $133.00. her broker charges $50 for each transaction. after all of these transactions, how much money did jody make?

9is the geometric mean between x and 12