What types of splits and joins can we model in a process?

Juwana was turned down for a car loan by a local credit union she thought her credit was good what should her first step be

Georgia's gross pay was 35,600 this year she is to pay a federal income tax of 16% how much should georgia pay in federal income ax this year

Gary lives in an area that receives high rainfall and thunderstorms throughout the year. which device would be useful to him to maintain his computer?