What two numbers multiply to get 45 but add to get -12

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

If f(x) = 6x – 4, what is f(x) when x = 8? a2 b16 c44 d52

What is the value of x? assume that the line is tangent to the circle.