This is going to be my last question i promise

3382-299=3383- ? fill in the blank?

Use circumcenter theorem to solve for the given values

When george started his current job, his employer told him that at the end of the first year, he would receive two vacation days. after each year worked, his number of vacation days will double up to five work weeks (25days) of payed vacation. how many vacation days will he have in 4 years