What's the answer to this question?

Time value an iowa state savings bond can be converted to $750 at maturity 5 years from purchase. if the state bonds are to be competitive with u.s. savings bonds, which pay 5% annual interest (compounded annually), at what price must the state sell its bonds? assume no cash payments on savings bonds prior to redemption. ignore taxes.

Anewspaper boy is trying to perfect his business in order to maximize the money he can save for a new car. daily paper sales are normally distributed, with a mean of 100 and standard deviation of 10. he sells papers for $0.50 and pays $0.30 for them. unsold papers are trashed with no salvage value. how many papers should he order each day and what % of the time will he experience a stockout? are there any drawbacks to the order size proposed and how could the boy address such issues?

An emerging methodology to integrate the effort of the development team and the operations team to improve the functionality and security of applications is known as