Martina signs up for the cell phone plan described at the right. Write an expression that gives the total cost of the plan in dollars if Martina uses it for m months.

a. What information do you know about the cell phone plan?

b. Write an expression for the monthly fee in dollars for m months.

c. What operation can you use to show the discount of $10 for the first month?

d. Write an expression for the total cost of the plan in dollars for m months

A group of n friends evenly share the cost of dinner. The dinner costs $74. After dinner, each friend pays $11 for a movie. Write an expression to represent what each friend paid for dinner and the movie.

A cell phone company charges $40 per month plus $0.05 for each text message sent. Select the expressions that represent the cost in dollars for one month of cell phone usage and sending m text messages. Mark all that apply.