need help with these questions

Matt and Bree are saving for a new car. At the end of 2013, their total savings was $8,500. In 2014, total savings increased to $9,875. How much did Matt and Bree save in 2014? 11250 IncorrectUsing the graph, calculate the area under the curve as defined by the various points on the curve. 10 Area of A DCE = units Area of A DBF = units? 5 - C Area of A DAG = units? 2. B GSuppose Brian is in the market for a used textbook and the campus bookstore is having a sale. [fthe initial price of the used book is $85 and the discounted price is $55, what is the percentage change in the book price? Round your answer to two places after the decimal. _