3. what is the purpose of a lead sentence or paragraph? to display your most convincing reasons and arguments to you revise the overall structure of your work to interest readers and introduce your writing style to add details and elaborate on your ideas

To interest readers and introduce your writing style.

Explanation:

The lead sentence or paragraph is the first section of the text that your readers will encounter. Therefore, this section serves as an introduction to your writing style. It also serves the purpose of interesting readers in your ideas and the things that you have to say. Writing a strong and interesting lead sentence or paragraph can increase your chances of people reading your work.

what part do you need with?

the cost of attendance or coa is an approximate budget for the cost of attendance of the whole academic year. in order to calculate this, universities take into consideration many factors like room and board, tuitions and fees, books, transportation and personal expenses such as medicine, laundry, clothing. all these factors combined make up the final sum to the cost of attendance in each university.