What is the value of x?

What is the factored form of the following expressions? d^2 – 13d + 36

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41

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