John borrowed $400 to make a simple interest of $80 at 10% per annum. find the number of years for which he made a simple interest of $80​

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

Iam at home. /: i am playing video games. translate the following statement into symbolic form.

Factor the polynomial by its greatest common monomial factor.