The sum of three consecutive even integers is -198. Find the values of the integers. (if you want, just give me the largest integer of the three!)

Thanks for helping me, its much appreciated!

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