Agirl scout has (5x+18)
boxes of cookies and sells
(3x+12) of them. write an
expression to represent the
amount of boxes she has
left.

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

David estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x. create a question you could ask that could be answered only by graphing or using a logarithm.

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square