What is 5x when x equals three

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

What is the point slope form of a line with slope -5 that contains point (2,-1)

Atown has a population of 12000 and grows at 3.5% every year. what will be the population after 7 years, to the nearest whole number?