21. The high temperature one day was -1°F wow temperature was -5°F. What was the difference between the high and low temperatures for the day?

12x + 1 = 25 solve the following equation. then place the correct number in the box provided.

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

Alex took his brother to a birthday party. the party was scheduled to last for 1 and 3/4 hours but they stayed for 4/5 of an hour more. how long did she stay at the party?