What is the slope to y=-3x+5

With both problems. a.s.a.p directions on photo ^

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

If you measured the width of a window in inches and then in feet with measurement would you have the greater number of units