Pedro gets 8 hours of sleep each night. how many hours does pedro sleep in a year with 365 days

After two years, how much has been paid into interest?

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

How many terms does the polynomial x^2 y^2 have