Donna opens a savings account with an initial balance of $50. She then deposits $25 each month. Use an equation, a table, and a graph to explain the relationship between the amount of money in the account, a, and the number of months since Donna opened the account, m. Part A Write an equation to represent the problem. Explain how the value of a changes as m increases. Part B Make a table to show the relationship between m and a. Find 5 ordered pairs. Part C Use your table from Part B to draw a graph to represent the situation.