Writing related to Strategy, Public Relations and Protocol, conveys information to the people of Bengkulu Tengah, as a young district but isolated from technological advances, it reviews the strategies used by public relations and protocols in Bengkulu Tengah in providing satisfaction and comfort for the people of Central Bengkulu. Writing methods and techniques used in compiling the Field Work Practice (PKL) report, the subject of this research is T. Ikchwan. SY. As Head of Sub Division of Public Relations and Protocol of Central Bengkulu Regency. Collecting data in this study using observation, interview, and documentation techniques. Data qualitatively . based on the exposure of the research results are: socialization, using mass media both print and electronic, using WhatsApp Grub. In functionality to convey information to the public.

This study aimed to investigate the implementation of social responsibility in a broadcasting program Coffee Morning in programa 2 LPP RRI Bengkulu. This study used qualitative method, where the informants in this study was the Head of Press LPP RRI Bengkulu, Kasubsi Programa 2 LPP RRI, Stage Manager, Presenter, Presenter dialogue. Primary data in this study was obtained from interview to the informants, and secondary data obtained through library research. This study found that the implementation of social responsibility in a broadcasting program Coffee Morning in Programa 2 RRI Bengkulu LPP has been carried out based on the legal framework and institutions, meet the high standards of professionalism and information, correctness, accuracy, objectivity and balance, avoiding anything that might induce crime, detriment, public disorder or insult against ethnic or religious minorities, seeks to reflect the plurality and diversity of society, set high achievement standards, and intervention can be justified to safeguard the public interest. In other words, the implementation of this program fulfills a social responsibility towards the community listeners.

In mathematics, there are two criteria for questions or problems, namely challenging and demanding procedures that are not routine in solving them. The problem is a situation where a person is able to realize the existence of a situation and admit that the situation requires action and resolution that is not easy. By using problem solving strategies, students can make a mathematical representation of the problem, which is one of the abilities in mathematics related to problem solving, reasoning, proof, and communication. Conversely, if we choose the right representation, it will allow us to reach an effective solution to the problem. Heuristic is a strategy used to find and solve a mathematical problem using solving steps. There are many types of heuristic strategies that can be used in learning mathematics to solve problems, but in this study, will be discussed strategies by Mathlin, namely The Analogy Approach, The Means-Ends Heuristic, and The Hill-Climbing Heuristic.