The Washington family had dinner at a restaurant and the bill was $85.00. They gave their server a $13.60 tip. What percent of the cost of the meal did they leave as a tip?

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

Aregular pentagon with a perimeter of 21 inches is dilated by a scale factor of 5/3 to create a new pentagon. what is the perimeter of the new pentagon?

You dug a hole that was 8 feet deep. after taking a short break, you dug down 3 more feet in the same hole. when finished digging, a tractor accidentally filled the hole with 4 feet of dirt. how deep is your hole now?