-12 is an element of what sets of numbers?

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

Of the 304 people who attended a school play, 5/8 were students. how many of the people who attended were students.

What are two numbers that add up to -9 and multiply to -10 best answer gets branliest and 100 extra points