Fran had 20 stamps, she gives n stamps to a friend. Create and expression that represents the number of stamps Fran has left.

The table above shows approximate conversions from gallons to liters. what is the value of x?

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

Which spreadsheet would be used to compute the first nine terms of the geometric sequence a^n=32•(1/2)n-1