Grace took one of her friends out to lunch. The lunches cost $100 and she paid 9% sales tax. If Grace left a 15% tip on the $100, how much in total did she pay?

The floor plan of a room has a scale of 2.5 in.: 35 ft. in the drawing, the length of the room is 8 in. and the width of the room is 6 in. what is the perimeter of the actual room?

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

Which inequality statement describes the two numbers on a number line? "? 7 and a number 5 units to the right of ? 7"