The length of a rectangle is three times its width.
if the perimeter of the rectangle is 80cm, find its length and width.

length:
width:

Each cookie sells for $0.50 sam spent $90 on baking supplies and each cookie cost $0.25 to make how many cookies does sam need to sell before making a profit formula: sales> cost

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?

Which of the functions below could have created this graph?