Can someone me with this real quick

Which rule describes the composition of transformations that maps △abc to △a”b”c

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 sunflower? ? plz write a proportion to solve i will give you 100 points

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25