The expression 1.08 + 1.02b predicts the end- of the year value if a financial portfolio where S is the value of the stocks and B is the value of bonds in the portfolio at the beginning of the year What is the predicted end-of value of a portfolio that begins the year with $200 in stocks and $100 in bonds?

Three students, javier, sam, and corrine, participated in a fundraiser where people donated a certain amount of money per lap that the student ran. each student also had some initial donations that were collected before the run. the equations that represent each student's total donation, y, based on the number of laps ran, x, is shown below. match each equation with the correct rate of change for that student.