A triangle has sides with lengths of 5 meters, 6 meters, and 7 meters. Is it a right triangle?

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?

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