Are these three answers correct?

Your friend, Brennan, provides the following information in regard to his retirement savings: Brennan has a goal of having one million dollars available at retirement (30 years into the future). Compounded monthly, how much will Brennan's current savings be worth at retirement? exist How much will Brennan's future monthly retirement contributions (starting next month for 30 years) be worth at retirement? exist How much, at a minimum, will Brennan need to increase his monthly retirement contribution to achieve his retirement goal? exist