I ready from the set {1,2,3,4,5}, which values make the inequality {4,5} {1,2,3} {3,4,5} {1,2}

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

On the first of each month sasha runs a 5k race she keeps track of her times to track her progress her time in minutes is recorded in the table

Which best explains why this triangle is or is not a right triangle ?