The graph shows the average length of a newborn baby where 3 represents its age in months and y represents its length in inches. A line of best fit with equation y = 1.5x + 20, is also shown
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This is the rest!! plz see this

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