The areas of the two watch faces have a ratio of 16: 25. a=4(pie)cm^2 is the smaller watch face. what is the ratio of the smaller watch face to the radius of the larger watch face? what is the radius of the larger watch face?

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