một xe máy đi từ a đến b với vận tốc trung bình là 40 km/h lúc về người đó đi đường khác dài hơn lúc đi 10 km nhưng đường dễ đi hơn nên xe đi với vận tốc trung bình 50 km/h vì vậy thời gian về ít hơn thời gian đi 15 phút tính quãng đường ab lúc đi

Bravery can you to do something that is new, frightening, or dangerous. people may need bravery to speak out against injustice or persevere when a task is difficult. think about an event in your life that required bravery. write a personal narrative that recounts the event. describe what happened and the impact the event had on your life. as you write, remember your essay will be scored based on how well you: develop a multi-paragraph response to the assigned topic that clearly communicates the purpose of your story to the audience describe the characters, setting, and conflict using meaningful sensory descriptions and details that enable the reader to visualize the experiences in your narrative. organize your story in a clear and logical manner, including an introduction, body, and conclusion. use well-structured sentences and language that are appropriate for your audience. edit your work to conform to the conventions of standard american english. use any of the tools available to you, such as the checklist, spellchecker, or graphic organizer.