Solve 2√x+1 = -√x+2 for x

Name these type of angles shown check all that applies

Find the area of the triangle shown 3 by 6

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