Graph the following functions on graph paper

What is the length of the segment joining the points at (4,5) and (6,-2) round to the nearest tenth if necessary

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.

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