What are the zeros of the function??

What is the relationship between all triangles that can be drawn given the same three angles

Is the square root of 4 plus the square root of 16 rational?

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